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CERTFR-2025-AVI-0069
Vulnerability from certfr_avis - Published: 2025-01-24 - Updated: 2025-01-24
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une atteinte à l'intégrité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 24.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2024-47748",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47748"
},
{
"name": "CVE-2024-49863",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49863"
},
{
"name": "CVE-2024-49907",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49907"
},
{
"name": "CVE-2024-46849",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46849"
},
{
"name": "CVE-2024-47697",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47697"
},
{
"name": "CVE-2024-41016",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41016"
},
{
"name": "CVE-2024-49890",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49890"
},
{
"name": "CVE-2024-49903",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49903"
},
{
"name": "CVE-2024-49969",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49969"
},
{
"name": "CVE-2023-52904",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52904"
},
{
"name": "CVE-2023-52532",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52532"
},
{
"name": "CVE-2023-52621",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52621"
},
{
"name": "CVE-2024-53238",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53238"
},
{
"name": "CVE-2024-49856",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49856"
},
{
"name": "CVE-2024-35951",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35951"
},
{
"name": "CVE-2024-49967",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49967"
},
{
"name": "CVE-2024-49858",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49858"
},
{
"name": "CVE-2024-42158",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42158"
},
{
"name": "CVE-2024-50019",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50019"
},
{
"name": "CVE-2024-49948",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49948"
},
{
"name": "CVE-2024-50038",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50038"
},
{
"name": "CVE-2024-49878",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49878"
},
{
"name": "CVE-2024-46855",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46855"
},
{
"name": "CVE-2024-49884",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49884"
},
{
"name": "CVE-2024-47673",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47673"
},
{
"name": "CVE-2024-50024",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50024"
},
{
"name": "CVE-2024-47684",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47684"
},
{
"name": "CVE-2024-49965",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49965"
},
{
"name": "CVE-2024-38632",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38632"
},
{
"name": "CVE-2024-49852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49852"
},
{
"name": "CVE-2024-47701",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47701"
},
{
"name": "CVE-2024-50191",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50191"
},
{
"name": "CVE-2024-47713",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47713"
},
{
"name": "CVE-2024-49936",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49936"
},
{
"name": "CVE-2024-49871",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49871"
},
{
"name": "CVE-2024-49881",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49881"
},
{
"name": "CVE-2024-47690",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47690"
},
{
"name": "CVE-2024-49896",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49896"
},
{
"name": "CVE-2024-49959",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49959"
},
{
"name": "CVE-2024-49913",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49913"
},
{
"name": "CVE-2024-47693",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47693"
},
{
"name": "CVE-2024-50045",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50045"
},
{
"name": "CVE-2024-49995",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49995"
},
{
"name": "CVE-2024-39463",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-39463"
},
{
"name": "CVE-2024-49977",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49977"
},
{
"name": "CVE-2024-49900",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49900"
},
{
"name": "CVE-2024-47679",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47679"
},
{
"name": "CVE-2024-47735",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47735"
},
{
"name": "CVE-2024-49952",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49952"
},
{
"name": "CVE-2024-49981",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49981"
},
{
"name": "CVE-2024-50181",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50181"
},
{
"name": "CVE-2024-49997",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49997"
},
{
"name": "CVE-2024-50002",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50002"
},
{
"name": "CVE-2024-50186",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50186"
},
{
"name": "CVE-2024-50040",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50040"
},
{
"name": "CVE-2024-49983",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49983"
},
{
"name": "CVE-2024-49889",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49889"
},
{
"name": "CVE-2024-27072",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27072"
},
{
"name": "CVE-2024-50013",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50013"
},
{
"name": "CVE-2024-49957",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49957"
},
{
"name": "CVE-2024-49962",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49962"
},
{
"name": "CVE-2024-46859",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46859"
},
{
"name": "CVE-2024-49958",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49958"
},
{
"name": "CVE-2024-56757",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-56757"
},
{
"name": "CVE-2024-47723",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47723"
},
{
"name": "CVE-2024-49955",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49955"
},
{
"name": "CVE-2024-50095",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50095"
},
{
"name": "CVE-2024-50006",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50006"
},
{
"name": "CVE-2024-47672",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47672"
},
{
"name": "CVE-2024-50049",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50049"
},
{
"name": "CVE-2024-50007",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50007"
},
{
"name": "CVE-2024-50096",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50096"
},
{
"name": "CVE-2024-42079",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42079"
},
{
"name": "CVE-2024-50189",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50189"
},
{
"name": "CVE-2024-49868",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49868"
},
{
"name": "CVE-2024-47699",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47699"
},
{
"name": "CVE-2024-50062",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50062"
},
{
"name": "CVE-2024-50059",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50059"
},
{
"name": "CVE-2024-47712",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47712"
},
{
"name": "CVE-2024-49963",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49963"
},
{
"name": "CVE-2024-49875",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49875"
},
{
"name": "CVE-2024-47739",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47739"
},
{
"name": "CVE-2024-47705",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47705"
},
{
"name": "CVE-2024-50035",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50035"
},
{
"name": "CVE-2024-47740",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47740"
},
{
"name": "CVE-2024-46854",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46854"
},
{
"name": "CVE-2024-49924",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49924"
},
{
"name": "CVE-2024-26947",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26947"
},
{
"name": "CVE-2024-49938",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49938"
},
{
"name": "CVE-2024-47756",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47756"
},
{
"name": "CVE-2024-47737",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47737"
},
{
"name": "CVE-2024-49954",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49954"
},
{
"name": "CVE-2023-52639",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52639"
},
{
"name": "CVE-2024-50008",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50008"
},
{
"name": "CVE-2024-46695",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46695"
},
{
"name": "CVE-2024-50033",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50033"
},
{
"name": "CVE-2024-44942",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44942"
},
{
"name": "CVE-2024-50180",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50180"
},
{
"name": "CVE-2024-49866",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49866"
},
{
"name": "CVE-2024-49949",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49949"
},
{
"name": "CVE-2024-50046",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50046"
},
{
"name": "CVE-2024-49944",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49944"
},
{
"name": "CVE-2024-47749",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47749"
},
{
"name": "CVE-2024-49966",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49966"
},
{
"name": "CVE-2024-49902",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49902"
},
{
"name": "CVE-2024-47757",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47757"
},
{
"name": "CVE-2024-47692",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47692"
},
{
"name": "CVE-2024-50184",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50184"
},
{
"name": "CVE-2024-38667",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38667"
},
{
"name": "CVE-2024-49851",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49851"
},
{
"name": "CVE-2024-47734",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47734"
},
{
"name": "CVE-2024-49933",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49933"
},
{
"name": "CVE-2024-47685",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47685"
},
{
"name": "CVE-2024-49935",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49935"
},
{
"name": "CVE-2024-49879",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49879"
},
{
"name": "CVE-2024-50044",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50044"
},
{
"name": "CVE-2024-49894",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49894"
},
{
"name": "CVE-2024-47718",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47718"
},
{
"name": "CVE-2024-44940",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44940"
},
{
"name": "CVE-2024-49867",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49867"
},
{
"name": "CVE-2024-47671",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47671"
},
{
"name": "CVE-2024-49985",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49985"
},
{
"name": "CVE-2024-50001",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50001"
},
{
"name": "CVE-2024-50000",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50000"
},
{
"name": "CVE-2024-47710",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47710"
},
{
"name": "CVE-2024-50093",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50093"
},
{
"name": "CVE-2024-49892",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49892"
},
{
"name": "CVE-2024-49930",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49930"
},
{
"name": "CVE-2024-47698",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47698"
},
{
"name": "CVE-2024-49946",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49946"
},
{
"name": "CVE-2024-47695",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47695"
},
{
"name": "CVE-2024-50039",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50039"
},
{
"name": "CVE-2024-49973",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49973"
},
{
"name": "CVE-2024-49883",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49883"
},
{
"name": "CVE-2024-47670",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47670"
},
{
"name": "CVE-2024-50041",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50041"
},
{
"name": "CVE-2024-46852",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46852"
},
{
"name": "CVE-2024-50003",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50003"
},
{
"name": "CVE-2024-49860",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49860"
},
{
"name": "CVE-2024-36893",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36893"
},
{
"name": "CVE-2024-44931",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44931"
},
{
"name": "CVE-2024-49927",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49927"
},
{
"name": "CVE-2024-49895",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49895"
},
{
"name": "CVE-2024-49882",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49882"
},
{
"name": "CVE-2024-50031",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50031"
},
{
"name": "CVE-2024-35904",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35904"
},
{
"name": "CVE-2024-49975",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49975"
},
{
"name": "CVE-2024-50179",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50179"
},
{
"name": "CVE-2024-47696",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47696"
},
{
"name": "CVE-2024-46853",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46853"
},
{
"name": "CVE-2024-50015",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50015"
},
{
"name": "CVE-2024-36968",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36968"
},
{
"name": "CVE-2024-47674",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47674"
},
{
"name": "CVE-2024-50188",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50188"
},
{
"name": "CVE-2023-52917",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52917"
},
{
"name": "CVE-2024-49982",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49982"
},
{
"name": "CVE-2024-46865",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46865"
},
{
"name": "CVE-2024-42156",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42156"
},
{
"name": "CVE-2024-38544",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38544"
},
{
"name": "CVE-2024-47720",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47720"
},
{
"name": "CVE-2024-47742",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47742"
},
{
"name": "CVE-2024-47709",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47709"
},
{
"name": "CVE-2024-47706",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47706"
},
{
"name": "CVE-2024-47747",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-47747"
},
{
"name": "CVE-2024-49877",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49877"
},
{
"name": "CVE-2024-38538",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38538"
},
{
"name": "CVE-2024-46858",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46858"
},
{
"name": "CVE-2024-49886",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49886"
},
{
"name": "CVE-2024-38545",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38545"
}
],
"initial_release_date": "2025-01-24T00:00:00",
"last_revision_date": "2025-01-24T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0069",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-01-24T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux d\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": "2025-01-21",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7221-1",
"url": "https://ubuntu.com/security/notices/USN-7221-1"
},
{
"published_at": "2025-01-20",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7166-4",
"url": "https://ubuntu.com/security/notices/USN-7166-4"
}
]
}
CVE-2024-49924 (GCVE-0-2024-49924)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-08-05 11:40
VLAI
EPSS
VEX
Title
fbdev: pxafb: Fix possible use after free in pxafb_task()
Summary
In the Linux kernel, the following vulnerability has been resolved:
fbdev: pxafb: Fix possible use after free in pxafb_task()
In the pxafb_probe function, it calls the pxafb_init_fbinfo function,
after which &fbi->task is associated with pxafb_task. Moreover,
within this pxafb_init_fbinfo function, the pxafb_blank function
within the &pxafb_ops struct is capable of scheduling work.
If we remove the module which will call pxafb_remove to make cleanup,
it will call unregister_framebuffer function which can call
do_unregister_framebuffer to free fbi->fb through
put_fb_info(fb_info), while the work mentioned above will be used.
The sequence of operations that may lead to a UAF bug is as follows:
CPU0 CPU1
| pxafb_task
pxafb_remove |
unregister_framebuffer(info) |
do_unregister_framebuffer(fb_info) |
put_fb_info(fb_info) |
// free fbi->fb | set_ctrlr_state(fbi, state)
| __pxafb_lcd_power(fbi, 0)
| fbi->lcd_power(on, &fbi->fb.var)
| //use fbi->fb
Fix it by ensuring that the work is canceled before proceeding
with the cleanup in pxafb_remove.
Note that only root user can remove the driver at runtime.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:39 UTC
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
9f17f2874834f4cdbe48cc05676d8f7558793204 , < e657fa2df4429f3805a9b3e47fb1a4a1b02a72bd
(git)
Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < 6d0a07f68b66269e167def6c0b90a219cd3e7473 (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < e6897e299f57b103e999e62010b88e363b3eebae (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < 4cda484e584be34d55ee17436ebf7ad11922b97a (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < 3c0d416eb4bef705f699213cee94bf54b6acdacd (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < fdda354f60a576d52dcf90351254714681df4370 (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < aaadc0cb05c999ccd8898a03298b7e5c31509b08 (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < a3a855764dbacbdb1cc51e15dc588f2d21c93e0e (git) Affected: 9f17f2874834f4cdbe48cc05676d8f7558793204 , < 4a6921095eb04a900e0000da83d9475eb958e61e (git) |
|
| Linux | Linux |
Affected:
2.6.27
Unaffected: 0 , < 2.6.27 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: pxafb: Fix possible use after free in pxafb_task()\n\nIn the pxafb_probe function, it calls the pxafb_init_fbinfo function,\nafter which \u0026fbi-\u003etask is associated with pxafb_task. Moreover,\nwithin this pxafb_init_fbinfo function, the pxafb_blank function\nwithin the \u0026pxafb_ops struct is capable of scheduling work.\n\nIf we remove the module which will call pxafb_remove to make cleanup,\nit will call unregister_framebuffer function which can call\ndo_unregister_framebuffer to free fbi-\u003efb through\nput_fb_info(fb_info), while the work mentioned above will be used.\nThe sequence of operations that may lead to a UAF bug is as follows:\n\nCPU0 CPU1\n\n | pxafb_task\npxafb_remove |\nunregister_framebuffer(info) |\ndo_unregister_framebuffer(fb_info) |\nput_fb_info(fb_info) |\n// free fbi-\u003efb | set_ctrlr_state(fbi, state)\n | __pxafb_lcd_power(fbi, 0)\n | fbi-\u003elcd_power(on, \u0026fbi-\u003efb.var)\n | //use fbi-\u003efb\n\nFix it by ensuring that the work is canceled before proceeding\nwith the cleanup in pxafb_remove.\n\nNote that only root user can remove the driver at runtime."
}
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"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerability is reached entirely through local interfaces \u2014 `FBIOBLANK`/`FBIOPUT_VSCREENINFO` ioctls on `/dev/fbN` to queue `fbi-\u003etask`, and platform driver unbind/`rmmod` to free the devm-allocated `pxafb_info`. No network or physical device manipulation is involved.\nAC:L - The attacker deterministically arms the race by repeatedly queueing `pxafb_task` via `FBIOBLANK`, and the racing work sleeps up to 200 ms in `wait_for_completion_timeout(\u0026fbi-\u003edisable_done, ...)` inside `pxafb_disable_controller()`, giving an enormous, reliably winnable window. No error path, unusual memory layout, or non-default configuration is required \u2014 `CONFIG_FB_PXA` is standard and tristate on every PXA platform.\nPR:L - An ordinary unprivileged user needs only DAC access to `/dev/fb0` \u2014 which requires no capability and is routinely granted on the embedded PXA handhelds and panel devices this driver targets \u2014 to queue the work and groom the slab that backs the freed `pxafb_info`. This matches this CNA\u0027s established treatment of driver-teardown UAFs (e.g. CVE-2025-21976, hyperv_fb), where `PR:H` is reserved for cases that cross a VM/container security boundary.\nUI:N - No victim action such as opening a file or mounting a filesystem is needed; the pending work is also queued automatically by the fbcon console-blank timer and by `pxafb_set_par()`, so the race can be live without any interactive user.\nS:U - The corrupted memory and the resulting code execution are both in the host kernel\u0027s own security authority, with no VM, IOMMU, or sandbox boundary crossed.\nC:H - The use-after-free lets the attacker control the contents of the reallocated `pxafb_info`, including `fbi-\u003emmio_base`, which `lcd_readl()` dereferences \u2014 yielding an attacker-directed read primitive that, combined with the hijacked control flow, permits disclosure of arbitrary kernel memory.\nI:H - `__pxafb_lcd_power()` and `__pxafb_backlight_power()` call `fbi-\u003elcd_power()` / `fbi-\u003ebacklight_power()` \u2014 function pointers read straight out of the freed allocation \u2014 and `lcd_writel()` performs `__raw_writel()` to an address taken from the same freed object, giving both control-flow hijack and an arbitrary write.\nA:H - Even without successful exploitation the UAF reliably oopses the kernel \u2014 dereferencing a freed `mmio_base`, locking a freed mutex, or on `rmmod` executing `pxafb_task` text that has already been unmapped with the module."
}
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"datePublished": "2024-10-21T18:01:49.076Z",
"dateReserved": "2024-10-21T12:17:06.036Z",
"dateUpdated": "2026-08-05T11:40:27.887Z",
"state": "PUBLISHED"
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}
CVE-2024-49927 (GCVE-0-2024-49927)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:41
VLAI
EPSS
VEX
Title
x86/ioapic: Handle allocation failures gracefully
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/ioapic: Handle allocation failures gracefully
Breno observed panics when using failslab under certain conditions during
runtime:
can not alloc irq_pin_list (-1,0,20)
Kernel panic - not syncing: IO-APIC: failed to add irq-pin. Can not proceed
panic+0x4e9/0x590
mp_irqdomain_alloc+0x9ab/0xa80
irq_domain_alloc_irqs_locked+0x25d/0x8d0
__irq_domain_alloc_irqs+0x80/0x110
mp_map_pin_to_irq+0x645/0x890
acpi_register_gsi_ioapic+0xe6/0x150
hpet_open+0x313/0x480
That's a pointless panic which is a leftover of the historic IO/APIC code
which panic'ed during early boot when the interrupt allocation failed.
The only place which might justify panic is the PIT/HPET timer_check() code
which tries to figure out whether the timer interrupt is delivered through
the IO/APIC. But that code does not require to handle interrupt allocation
failures. If the interrupt cannot be allocated then timer delivery fails
and it either panics due to that or falls back to legacy mode.
Cure this by removing the panic wrapper around __add_pin_to_irq_node() and
making mp_irqdomain_alloc() aware of the failure condition and handle it as
any other failure in this function gracefully.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:39 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
49c7e60022912d10da88ba67e8eb2927f1143f6a , < e479cb835feeb2abff97f25766e23b96a6eabe28
(git)
Affected: 49c7e60022912d10da88ba67e8eb2927f1143f6a , < ec862cd843faa6f0e84a7a07362f2786446bf697 (git) Affected: 49c7e60022912d10da88ba67e8eb2927f1143f6a , < 077e1b7cd521163ded545987bbbd389519aeed71 (git) Affected: 49c7e60022912d10da88ba67e8eb2927f1143f6a , < 649a5c2ffae797ce792023a70e84c7fe4b6fb8e0 (git) Affected: 49c7e60022912d10da88ba67e8eb2927f1143f6a , < f17efbeb2922327ea01a9efa8829fea9a30e547d (git) Affected: 49c7e60022912d10da88ba67e8eb2927f1143f6a , < 830802a0fea8fb39d3dc9fb7d6b5581e1343eb1f (git) |
|
| Linux | Linux |
Affected:
4.2
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CVE-2024-49930 (GCVE-0-2024-49930)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-08-05 11:40
VLAI
EPSS
VEX
Title
wifi: ath11k: fix array out-of-bound access in SoC stats
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: fix array out-of-bound access in SoC stats
Currently, the ath11k_soc_dp_stats::hal_reo_error array is defined with a
maximum size of DP_REO_DST_RING_MAX. However, the ath11k_dp_process_rx()
function access ath11k_soc_dp_stats::hal_reo_error using the REO
destination SRNG ring ID, which is incorrect. SRNG ring ID differ from
normal ring ID, and this usage leads to out-of-bounds array access. To fix
this issue, modify ath11k_dp_process_rx() to use the normal ring ID
directly instead of the SRNG ring ID to avoid out-of-bounds array access.
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:39 UTC
Assigner
References
11 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d5c65159f2895379e11ca13f62feabe93278985d , < 0f26f26944035ec67546a944f182cbad6577a9c0
(git)
Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 4dd732893bd38cec51f887244314e2b47f0d658f (git) Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 73e235728e515faccc104b0153b47d0f263b3344 (git) Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 7a552bc2f3efe2aaf77a85cb34cdf4a63d81a1a7 (git) Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 6045ef5b4b00fee3629689f791992900a1c94009 (git) Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 01b77f5ee11c89754fb836af8f76799d3b72ae2f (git) Affected: d5c65159f2895379e11ca13f62feabe93278985d , < 69f253e46af98af17e3efa3e5dfa72fcb7d1983d (git) |
|
| Linux | Linux |
Affected:
5.6
Unaffected: 0 , < 5.6 (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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"value": "AV:A - The vulnerable code is in the ath11k WiFi receive data path, reached from NAPI processing of REO destination ring descriptors produced by received 802.11 frames. An attacker within radio range of the device injects frames, requiring shared 802.11 medium access but no local presence.\nAC:L - The error branch containing the bad index is entered whenever the REO block flags a frame (duplicate, 2K sequence jump, frame/BAR out-of-range, no BA session, PN check failure), all of which an attacker produces reliably and repeatedly with crafted frames. No unpredictable memory layout or victim state is required.\nPR:N - Frame injection into the hardware receive path requires no account, association, or authentication with the target \u2014 REO error classification happens before any credential validation. The attacker needs no privileges on the victim system at all.\nUI:N - The RX path runs unconditionally in NAPI context whenever the interface is up; no victim action such as connecting, opening a file, or loading a module is needed. The attacker simply transmits.\nS:U - The out-of-bounds access corrupts kernel memory adjacent to the ath11k statistics structure, staying within the kernel\u0027s own security authority. There is no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - The bug performs an out-of-bounds read-modify-write on kernel memory beyond a 4-entry array using an index from an unrelated 0-143 ID namespace, corrupting live driver state in struct ath11k_base. Such memory corruption in a DMA-ring bookkeeping structure can be leveraged toward disclosure of kernel memory.\nI:H - This is an out-of-bounds write \u2014 an increment of a u32 past the end of hal_reo_error[], clobbering neighbouring fields including tx_err counters and bp_stats. Per kernel scoring guidance, an out-of-bounds write is High integrity impact.\nA:H - Corrupting driver state beyond the stats array can destabilize the ath11k datapath and produce oops/panic conditions, and the attacker can repeat the triggering frames indefinitely. Any kernel crash is scored High."
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CVE-2024-49933 (GCVE-0-2024-49933)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:42
VLAI
EPSS
VEX
Title
blk_iocost: fix more out of bound shifts
Summary
In the Linux kernel, the following vulnerability has been resolved:
blk_iocost: fix more out of bound shifts
Recently running UBSAN caught few out of bound shifts in the
ioc_forgive_debts() function:
UBSAN: shift-out-of-bounds in block/blk-iocost.c:2142:38
shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long
long')
...
UBSAN: shift-out-of-bounds in block/blk-iocost.c:2144:30
shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long
long')
...
Call Trace:
<IRQ>
dump_stack_lvl+0xca/0x130
__ubsan_handle_shift_out_of_bounds+0x22c/0x280
? __lock_acquire+0x6441/0x7c10
ioc_timer_fn+0x6cec/0x7750
? blk_iocost_init+0x720/0x720
? call_timer_fn+0x5d/0x470
call_timer_fn+0xfa/0x470
? blk_iocost_init+0x720/0x720
__run_timer_base+0x519/0x700
...
Actual impact of this issue was not identified but I propose to fix the
undefined behaviour.
The proposed fix to prevent those out of bound shifts consist of
precalculating exponent before using it the shift operations by taking
min value from the actual exponent and maximum possible number of bits.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:38 UTC
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
bec02dbbafad534674309f8b948094900f456797 , < 1f61d509257d6a05763d05bf37943b35306522b1
(git)
Affected: bec02dbbafad534674309f8b948094900f456797 , < f4ef9bef023d5c543cb0f3194ecacfd47ef590ec (git) Affected: bec02dbbafad534674309f8b948094900f456797 , < 59121bb38fdc01434ea3fe361ee02b59f036227f (git) Affected: bec02dbbafad534674309f8b948094900f456797 , < 1ab2cfe19700fb3dde4c7dfec392acff34db3120 (git) Affected: bec02dbbafad534674309f8b948094900f456797 , < 1b120f151871eb47ce9f283c007af3f8ae1d990e (git) Affected: bec02dbbafad534674309f8b948094900f456797 , < 364022095bdd4108efdaaa68576afa4712a5d085 (git) Affected: bec02dbbafad534674309f8b948094900f456797 , < 9bce8005ec0dcb23a58300e8522fe4a31da606fa (git) |
|
| Linux | Linux |
Affected:
5.10
Unaffected: 0 , < 5.10 (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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CVE-2024-49935 (GCVE-0-2024-49935)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:42
VLAI
EPSS
VEX
Title
ACPI: PAD: fix crash in exit_round_robin()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: PAD: fix crash in exit_round_robin()
The kernel occasionally crashes in cpumask_clear_cpu(), which is called
within exit_round_robin(), because when executing clear_bit(nr, addr) with
nr set to 0xffffffff, the address calculation may cause misalignment within
the memory, leading to access to an invalid memory address.
----------
BUG: unable to handle kernel paging request at ffffffffe0740618
...
CPU: 3 PID: 2919323 Comm: acpi_pad/14 Kdump: loaded Tainted: G OE X --------- - - 4.18.0-425.19.2.el8_7.x86_64 #1
...
RIP: 0010:power_saving_thread+0x313/0x411 [acpi_pad]
Code: 89 cd 48 89 d3 eb d1 48 c7 c7 55 70 72 c0 e8 64 86 b0 e4 c6 05 0d a1 02 00 01 e9 bc fd ff ff 45 89 e4 42 8b 04 a5 20 82 72 c0 <f0> 48 0f b3 05 f4 9c 01 00 42 c7 04 a5 20 82 72 c0 ff ff ff ff 31
RSP: 0018:ff72a5d51fa77ec8 EFLAGS: 00010202
RAX: 00000000ffffffff RBX: ff462981e5d8cb80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246
RBP: ff46297556959d80 R08: 0000000000000382 R09: ff46297c8d0f38d8
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000e
R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000000000e
FS: 0000000000000000(0000) GS:ff46297a800c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffe0740618 CR3: 0000007e20410004 CR4: 0000000000771ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
? acpi_pad_add+0x120/0x120 [acpi_pad]
kthread+0x10b/0x130
? set_kthread_struct+0x50/0x50
ret_from_fork+0x1f/0x40
...
CR2: ffffffffe0740618
crash> dis -lr ffffffffc0726923
...
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./include/linux/cpumask.h: 114
0xffffffffc0726918 <power_saving_thread+776>: mov %r12d,%r12d
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./include/linux/cpumask.h: 325
0xffffffffc072691b <power_saving_thread+779>: mov -0x3f8d7de0(,%r12,4),%eax
/usr/src/debug/kernel-4.18.0-425.19.2.el8_7/linux-4.18.0-425.19.2.el8_7.x86_64/./arch/x86/include/asm/bitops.h: 80
0xffffffffc0726923 <power_saving_thread+787>: lock btr %rax,0x19cf4(%rip) # 0xffffffffc0740620 <pad_busy_cpus_bits>
crash> px tsk_in_cpu[14]
$66 = 0xffffffff
crash> px 0xffffffffc072692c+0x19cf4
$99 = 0xffffffffc0740620
crash> sym 0xffffffffc0740620
ffffffffc0740620 (b) pad_busy_cpus_bits [acpi_pad]
crash> px pad_busy_cpus_bits[0]
$42 = 0xfffc0
----------
To fix this, ensure that tsk_in_cpu[tsk_index] != -1 before calling
cpumask_clear_cpu() in exit_round_robin(), just as it is done in
round_robin_cpu().
[ rjw: Subject edit, avoid updates to the same value ]
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:38 UTC
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 82191a21a0dedc8c64e14f07f5d568d09bc4b331
(git)
Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < d214ffa6eb39c08d18a460124dd7ba318dc56f33 (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 92e5661b7d0727ab912b76625a88b33fdb9b609a (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 68a599da16ebad442ce295d8d2d5c488e3992822 (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 68a8e45743d6a120f863fb14b72dc59616597019 (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 03593dbb0b272ef7b0358b099841e65735422aca (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 27c045f868f0e5052c6b532868a65e0cd250c8fc (git) Affected: 8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d , < 0a2ed70a549e61c5181bad5db418d223b68ae932 (git) |
|
| Linux | Linux |
Affected:
2.6.32
Unaffected: 0 , < 2.6.32 (semver) Unaffected: 5.4.296 , ≤ 5.4.* (semver) Unaffected: 5.10.240 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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CVE-2024-49936 (GCVE-0-2024-49936)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-08-05 11:40
VLAI
EPSS
VEX
Title
net/xen-netback: prevent UAF in xenvif_flush_hash()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/xen-netback: prevent UAF in xenvif_flush_hash()
During the list_for_each_entry_rcu iteration call of xenvif_flush_hash,
kfree_rcu does not exist inside the rcu read critical section, so if
kfree_rcu is called when the rcu grace period ends during the iteration,
UAF occurs when accessing head->next after the entry becomes free.
Therefore, to solve this, you need to change it to list_for_each_entry_safe.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:38 UTC
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < 3c4423b0c4b98213b3438e15061e1d08220e6982
(git)
Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < a7f0073fcd12ed7de185ef2c0af9d0fa1ddef22c (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < a0465723b8581cad27164c9073fd780904cd22d4 (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < efcff6ce7467f01f0753609f420333f3f2ceceda (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < 143edf098b80669d05245b2f2367dd156a83a2c5 (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < d408889d4b54f5501e4becc4dbbb9065143fbf4e (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < 54d8639af5568fc41c0e274fc3ec9cf86c59fcbb (git) Affected: 40d8abdee806d496a60ee607a6d01b1cd7fabaf0 , < 0fa5e94a1811d68fbffa0725efe6d4ca62c03d12 (git) |
|
| Linux | Linux |
Affected:
4.7
Unaffected: 0 , < 4.7 (semver) Unaffected: 5.4.290 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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"value": "AV:L - The trigger is a `XEN_NETIF_CTRL_TYPE_SET_HASH_KEY` request written into the Xen shared-memory control ring by the guest frontend, or control-ring teardown \u2014 a local shared-memory interface from a guest VM, not a network protocol. No remote packet path reaches `xenvif_flush_hash()`.\nAC:L - A malicious guest fully controls both sides: it can keep the 64-entry cache populated with distinct flows and issue SET_HASH_KEY control requests in an unbounded tight loop, retrying the RCU-timing window arbitrarily many times per second with no host-side rate limit.\nPR:L - The attacker needs kernel/root control of a guest domU that has been granted a vif by the host toolstack, i.e. a low, host-conferred privilege relative to the vulnerable dom0 component \u2014 matching this repo\u0027s convention for guest-to-host issues such as CVE-2025-22012.\nUI:N - The guest drives the control ring entirely on its own; no dom0 administrator or user action is required at any point in the path.\nS:C - The vulnerable code executes in the dom0/driver-domain kernel while the attacker resides in an untrusted guest, so successful exploitation crosses the Xen VM/host security boundary.\nC:H - Use-after-free traversal reads `link.next` and entry fields out of freed, reclaimable heap memory in the host kernel, which an attacker who reallocates the slab can leverage into disclosure of host kernel data.\nI:H - After following a stale pointer, `list_del_rcu()` writes through attacker-influenceable `prev-\u003enext`/`next-\u003eprev` and `kfree_rcu()` is invoked on a bogus pointer, yielding a host-kernel write primitive suitable for control-flow hijacking.\nA:H - Dereferencing freed list memory in a dom0 IRQ-thread context with the cache spinlock held causes an oops or panic of the host kernel, taking down every VM on the machine."
}
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CVE-2024-49938 (GCVE-0-2024-49938)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-12 11:59
VLAI
EPSS
VEX
Title
wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit
Syzbot points out that skb_trim() has a sanity check on the existing length of
the skb, which can be uninitialised in some error paths. The intent here is
clearly just to reset the length to zero before resubmitting, so switch to
calling __skb_set_length(skb, 0) directly. In addition, __skb_set_length()
already contains a call to skb_reset_tail_pointer(), so remove the redundant
call.
The syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar
usage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:38 UTC
Assigner
References
13 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
fb9987d0f748c983bb795a86f47522313f701a08 , < e6b9bf32e0695e4f374674002de0527d2a6768eb
(git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < d1f2fbc6a769081503f6ffedbb5cd1ac497f0e77 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < b02eb7c86ff2ef1411c3095ec8a52b13f68db04f (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 012ae530afa0785102360de452745d33c99a321b (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 6a875220670475d9247e576c15dc29823100a4e4 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < e37e348835032d6940ec89308cc8996ded691d2d (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 2c230210ec0ae6ed08306ac70dc21c24b817bb95 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < a9f4e28e8adaf0715bd4e01462af0a52ee46b01f (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 94745807f3ebd379f23865e6dab196f220664179 (git) |
|
| Linux | Linux |
Affected:
2.6.35
Unaffected: 0 , < 2.6.35 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Unaffected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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CVE-2024-49944 (GCVE-0-2024-49944)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:02 – Updated: 2026-05-12 11:59
VLAI
EPSS
VEX
Title
sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
Summary
In the Linux kernel, the following vulnerability has been resolved:
sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
In sctp_listen_start() invoked by sctp_inet_listen(), it should set the
sk_state back to CLOSED if sctp_autobind() fails due to whatever reason.
Otherwise, next time when calling sctp_inet_listen(), if sctp_sk(sk)->reuse
is already set via setsockopt(SCTP_REUSE_PORT), sctp_sk(sk)->bind_hash will
be dereferenced as sk_state is LISTENING, which causes a crash as bind_hash
is NULL.
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:sctp_inet_listen+0x7f0/0xa20 net/sctp/socket.c:8617
Call Trace:
<TASK>
__sys_listen_socket net/socket.c:1883 [inline]
__sys_listen+0x1b7/0x230 net/socket.c:1894
__do_sys_listen net/socket.c:1902 [inline]
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:37 UTC
Assigner
References
13 references
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
5e8f3f703ae4e4af65e2695e486b3cd198328863 , < 89bbead9d897c77d0b566349c8643030ff2abeba
(git)
Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < 0e4e2e60556c6ed00e8450b720f106a268d23062 (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < dd70c8a89ef99c3d53127fe19e51ef47c3f860fa (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < e7a8442195e8ebd97df467ce4742980ab57edcce (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < 9230a59eda0878d7ecaa901d876aec76f57bd455 (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < 7f64cb5b4d8c872296eda0fdce3bcf099eec7aa7 (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < f032e1dac30b3376c7d6026fb01a8c403c47a80d (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < e914bf68dab88815a7ae7b7a3a5e8913c8ff14a5 (git) Affected: 5e8f3f703ae4e4af65e2695e486b3cd198328863 , < 8beee4d8dee76b67c75dc91fd8185d91e845c160 (git) |
|
| Linux | Linux |
Affected:
2.6.30
Unaffected: 0 , < 2.6.30 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.2
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Affected:
0 , < V3.2
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|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.2
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
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CVE-2024-49946 (GCVE-0-2024-49946)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:02 – Updated: 2026-05-11 20:42
VLAI
EPSS
VEX
Title
ppp: do not assume bh is held in ppp_channel_bridge_input()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ppp: do not assume bh is held in ppp_channel_bridge_input()
Networking receive path is usually handled from BH handler.
However, some protocols need to acquire the socket lock, and
packets might be stored in the socket backlog is the socket was
owned by a user process.
In this case, release_sock(), __release_sock(), and sk_backlog_rcv()
might call the sk->sk_backlog_rcv() handler in process context.
sybot caught ppp was not considering this case in
ppp_channel_bridge_input() :
WARNING: inconsistent lock state
6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
ksoftirqd/1/24 [HC0[0]:SC1[1]:HE1:SE0] takes:
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]
ffff0000db7f11e0 (&pch->downl){+.?.}-{2:2}, at: ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]
ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304
pppoe_rcv_core+0xfc/0x314 drivers/net/ppp/pppoe.c:379
sk_backlog_rcv include/net/sock.h:1111 [inline]
__release_sock+0x1a8/0x3d8 net/core/sock.c:3004
release_sock+0x68/0x1b8 net/core/sock.c:3558
pppoe_sendmsg+0xc8/0x5d8 drivers/net/ppp/pppoe.c:903
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x374/0x4f4 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2212
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 282914
hardirqs last enabled at (282914): [<ffff80008b42e30c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (282914): [<ffff80008b42e30c>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (282913): [<ffff80008b42e13c>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (282913): [<ffff80008b42e13c>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last enabled at (282904): [<ffff8000801f8e88>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last enabled at (282904): [<ffff8000801f8e88>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582
softirqs last disabled at (282909): [<ffff8000801fbdf8>] run_ksoftirqd+0x70/0x158 kernel/softirq.c:928
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&pch->downl);
<Interrupt>
lock(&pch->downl);
*** DEADLOCK ***
1 lock held by ksoftirqd/1/24:
#0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:325
stack backtrace:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326
__dump_sta
---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:37 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
4cf476ced45d7f12df30a68e833b263e7a2202d1 , < 176dd41e8c2bd997ed3d66568a3362e69ecce99b
(git)
Affected: 4cf476ced45d7f12df30a68e833b263e7a2202d1 , < 635deca1800a68624f185dc1e04a8495b48cf185 (git) Affected: 4cf476ced45d7f12df30a68e833b263e7a2202d1 , < f9620e2a665aa642625bd2501282bbddff556bd7 (git) Affected: 4cf476ced45d7f12df30a68e833b263e7a2202d1 , < efe9cc0f7c0279216a5522271ec675b8288602e4 (git) Affected: 4cf476ced45d7f12df30a68e833b263e7a2202d1 , < c837f8583535f094a39386308c2ccfd92c8596cd (git) Affected: 4cf476ced45d7f12df30a68e833b263e7a2202d1 , < aec7291003df78cb71fd461d7b672912bde55807 (git) |
|
| Linux | Linux |
Affected:
5.11
Unaffected: 0 , < 5.11 (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nppp: do not assume bh is held in ppp_channel_bridge_input()\n\nNetworking receive path is usually handled from BH handler.\nHowever, some protocols need to acquire the socket lock, and\npackets might be stored in the socket backlog is the socket was\nowned by a user process.\n\nIn this case, release_sock(), __release_sock(), and sk_backlog_rcv()\nmight call the sk-\u003esk_backlog_rcv() handler in process context.\n\nsybot caught ppp was not considering this case in\nppp_channel_bridge_input() :\n\nWARNING: inconsistent lock state\n6.11.0-rc7-syzkaller-g5f5673607153 #0 Not tainted\n--------------------------------\ninconsistent {SOFTIRQ-ON-W} -\u003e {IN-SOFTIRQ-W} usage.\nksoftirqd/1/24 [HC0[0]:SC1[1]:HE1:SE0] takes:\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]\n ffff0000db7f11e0 (\u0026pch-\u003edownl){+.?.}-{2:2}, at: ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304\n{SOFTIRQ-ON-W} state was registered at:\n lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759\n __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]\n _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154\n spin_lock include/linux/spinlock.h:351 [inline]\n ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2272 [inline]\n ppp_input+0x16c/0x854 drivers/net/ppp/ppp_generic.c:2304\n pppoe_rcv_core+0xfc/0x314 drivers/net/ppp/pppoe.c:379\n sk_backlog_rcv include/net/sock.h:1111 [inline]\n __release_sock+0x1a8/0x3d8 net/core/sock.c:3004\n release_sock+0x68/0x1b8 net/core/sock.c:3558\n pppoe_sendmsg+0xc8/0x5d8 drivers/net/ppp/pppoe.c:903\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg net/socket.c:745 [inline]\n __sys_sendto+0x374/0x4f4 net/socket.c:2204\n __do_sys_sendto net/socket.c:2216 [inline]\n __se_sys_sendto net/socket.c:2212 [inline]\n __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2212\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712\n el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730\n el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598\nirq event stamp: 282914\n hardirqs last enabled at (282914): [\u003cffff80008b42e30c\u003e] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]\n hardirqs last enabled at (282914): [\u003cffff80008b42e30c\u003e] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194\n hardirqs last disabled at (282913): [\u003cffff80008b42e13c\u003e] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]\n hardirqs last disabled at (282913): [\u003cffff80008b42e13c\u003e] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162\n softirqs last enabled at (282904): [\u003cffff8000801f8e88\u003e] softirq_handle_end kernel/softirq.c:400 [inline]\n softirqs last enabled at (282904): [\u003cffff8000801f8e88\u003e] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582\n softirqs last disabled at (282909): [\u003cffff8000801fbdf8\u003e] run_ksoftirqd+0x70/0x158 kernel/softirq.c:928\n\nother info that might help us debug this:\n Possible unsafe locking scenario:\n\n CPU0\n ----\n lock(\u0026pch-\u003edownl);\n \u003cInterrupt\u003e\n lock(\u0026pch-\u003edownl);\n\n *** DEADLOCK ***\n\n1 lock held by ksoftirqd/1/24:\n #0: ffff80008f74dfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:325\n\nstack backtrace:\nCPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nCall trace:\n dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326\n __dump_sta\n---truncated---"
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CVE-2024-49948 (GCVE-0-2024-49948)
Vulnerability from cvelistv5 – Published: 2024-10-21 18:02 – Updated: 2026-05-12 11:59
VLAI
EPSS
VEX
Title
net: add more sanity checks to qdisc_pkt_len_init()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: add more sanity checks to qdisc_pkt_len_init()
One path takes care of SKB_GSO_DODGY, assuming
skb->len is bigger than hdr_len.
virtio_net_hdr_to_skb() does not fully dissect TCP headers,
it only make sure it is at least 20 bytes.
It is possible for an user to provide a malicious 'GSO' packet,
total length of 80 bytes.
- 20 bytes of IPv4 header
- 60 bytes TCP header
- a small gso_size like 8
virtio_net_hdr_to_skb() would declare this packet as a normal
GSO packet, because it would see 40 bytes of payload,
bigger than gso_size.
We need to make detect this case to not underflow
qdisc_skb_cb(skb)->pkt_len.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:36 UTC
Assigner
References
14 references
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
1def9238d4aa2146924994aa4b7dc861f03b9362 , < d7d1a28f5dd57b4d83def876f8d7b4403bd37df9
(git)
Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 473426a1d53a68dd1e718e6cd00d57936993fa6c (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 566a931a1436d0e0ad13708ea55479b95426213c (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 2415f465730e48b6e38da1c7c097317bf5dd2d20 (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4 (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 9b0ee571d20a238a22722126abdfde61f1b2bdd0 (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2 (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < 1eebe602a8d8264a12e35e39d0645fa88dbbacdd (git) Affected: 1def9238d4aa2146924994aa4b7dc861f03b9362 , < ab9a9a9e9647392a19e7a885b08000e89c86b535 (git) |
|
| Linux | Linux |
Affected:
3.9
Unaffected: 0 , < 3.9 (semver) Unaffected: 4.19.323 , ≤ 4.19.* (semver) Unaffected: 5.4.285 , ≤ 5.4.* (semver) Unaffected: 5.10.227 , ≤ 5.10.* (semver) Unaffected: 5.15.168 , ≤ 5.15.* (semver) Unaffected: 6.1.113 , ≤ 6.1.* (semver) Unaffected: 6.6.55 , ≤ 6.6.* (semver) Unaffected: 6.10.14 , ≤ 6.10.* (semver) Unaffected: 6.11.3 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.2
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Affected:
0 , < V3.2
(custom)
|
|
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.2
(custom)
|
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
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"versionStartIncluding": "3.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.55",
"versionStartIncluding": "3.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.10.14",
"versionStartIncluding": "3.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11.3",
"versionStartIncluding": "3.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12",
"versionStartIncluding": "3.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add more sanity checks to qdisc_pkt_len_init()\n\nOne path takes care of SKB_GSO_DODGY, assuming\nskb-\u003elen is bigger than hdr_len.\n\nvirtio_net_hdr_to_skb() does not fully dissect TCP headers,\nit only make sure it is at least 20 bytes.\n\nIt is possible for an user to provide a malicious \u0027GSO\u0027 packet,\ntotal length of 80 bytes.\n\n- 20 bytes of IPv4 header\n- 60 bytes TCP header\n- a small gso_size like 8\n\nvirtio_net_hdr_to_skb() would declare this packet as a normal\nGSO packet, because it would see 40 bytes of payload,\nbigger than gso_size.\n\nWe need to make detect this case to not underflow\nqdisc_skb_cb(skb)-\u003epkt_len."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:42:38.409Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/d7d1a28f5dd57b4d83def876f8d7b4403bd37df9"
},
{
"url": "https://git.kernel.org/stable/c/473426a1d53a68dd1e718e6cd00d57936993fa6c"
},
{
"url": "https://git.kernel.org/stable/c/566a931a1436d0e0ad13708ea55479b95426213c"
},
{
"url": "https://git.kernel.org/stable/c/2415f465730e48b6e38da1c7c097317bf5dd2d20"
},
{
"url": "https://git.kernel.org/stable/c/27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4"
},
{
"url": "https://git.kernel.org/stable/c/9b0ee571d20a238a22722126abdfde61f1b2bdd0"
},
{
"url": "https://git.kernel.org/stable/c/ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2"
},
{
"url": "https://git.kernel.org/stable/c/1eebe602a8d8264a12e35e39d0645fa88dbbacdd"
},
{
"url": "https://git.kernel.org/stable/c/ab9a9a9e9647392a19e7a885b08000e89c86b535"
}
],
"title": "net: add more sanity checks to qdisc_pkt_len_init()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-49948",
"datePublished": "2024-10-21T18:02:05.121Z",
"dateReserved": "2024-10-21T12:17:06.045Z",
"dateUpdated": "2026-05-12T11:59:12.979Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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