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CERTFR-2025-AVI-0650
Vulnerability from certfr_avis - Published: 2025-08-01 - Updated: 2025-08-01
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 20.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 24.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 25.04",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 18.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": null,
"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-2025-37850",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37850"
},
{
"name": "CVE-2024-53203",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53203"
},
{
"name": "CVE-2025-37892",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37892"
},
{
"name": "CVE-2025-37859",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37859"
},
{
"name": "CVE-2025-37792",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37792"
},
{
"name": "CVE-2025-22027",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22027"
},
{
"name": "CVE-2025-37766",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37766"
},
{
"name": "CVE-2025-21853",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21853"
},
{
"name": "CVE-2025-37844",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37844"
},
{
"name": "CVE-2025-37871",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37871"
},
{
"name": "CVE-2024-46751",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46751"
},
{
"name": "CVE-2025-37790",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37790"
},
{
"name": "CVE-2025-37758",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37758"
},
{
"name": "CVE-2024-46787",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46787"
},
{
"name": "CVE-2022-49168",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49168"
},
{
"name": "CVE-2024-50125",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50125"
},
{
"name": "CVE-2025-37841",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37841"
},
{
"name": "CVE-2025-37770",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37770"
},
{
"name": "CVE-2025-37773",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37773"
},
{
"name": "CVE-2024-50047",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50047"
},
{
"name": "CVE-2025-37983",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37983"
},
{
"name": "CVE-2025-37798",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37798"
},
{
"name": "CVE-2025-37819",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37819"
},
{
"name": "CVE-2024-35867",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35867"
},
{
"name": "CVE-2025-21839",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21839"
},
{
"name": "CVE-2025-38023",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38023"
},
{
"name": "CVE-2025-37789",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37789"
},
{
"name": "CVE-2024-46816",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46816"
},
{
"name": "CVE-2025-37867",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37867"
},
{
"name": "CVE-2025-37857",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37857"
},
{
"name": "CVE-2025-37927",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37927"
},
{
"name": "CVE-2025-37911",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37911"
},
{
"name": "CVE-2024-26686",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26686"
},
{
"name": "CVE-2024-53128",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53128"
},
{
"name": "CVE-2025-37930",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37930"
},
{
"name": "CVE-2025-37810",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37810"
},
{
"name": "CVE-2025-23159",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23159"
},
{
"name": "CVE-2024-49960",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49960"
},
{
"name": "CVE-2025-37741",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37741"
},
{
"name": "CVE-2025-37912",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37912"
},
{
"name": "CVE-2025-37985",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37985"
},
{
"name": "CVE-2025-37787",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37787"
},
{
"name": "CVE-2025-38024",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38024"
},
{
"name": "CVE-2022-49063",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49063"
},
{
"name": "CVE-2025-38005",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38005"
},
{
"name": "CVE-2022-49535",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-49535"
},
{
"name": "CVE-2025-23158",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23158"
},
{
"name": "CVE-2025-23144",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23144"
},
{
"name": "CVE-2025-37969",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37969"
},
{
"name": "CVE-2022-48893",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48893"
},
{
"name": "CVE-2025-37742",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37742"
},
{
"name": "CVE-2025-37765",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37765"
},
{
"name": "CVE-2025-23161",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23161"
},
{
"name": "CVE-2025-37803",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37803"
},
{
"name": "CVE-2025-37824",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37824"
},
{
"name": "CVE-2025-37923",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37923"
},
{
"name": "CVE-2024-53051",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-53051"
},
{
"name": "CVE-2025-22062",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22062"
},
{
"name": "CVE-2025-37739",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37739"
},
{
"name": "CVE-2025-37940",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37940"
},
{
"name": "CVE-2025-37964",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37964"
},
{
"name": "CVE-2024-46742",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46742"
},
{
"name": "CVE-2024-50272",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50272"
},
{
"name": "CVE-2025-37915",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37915"
},
{
"name": "CVE-2025-23146",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23146"
},
{
"name": "CVE-2025-23142",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23142"
},
{
"name": "CVE-2024-35790",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35790"
},
{
"name": "CVE-2025-37738",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37738"
},
{
"name": "CVE-2025-37830",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37830"
},
{
"name": "CVE-2025-37991",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37991"
},
{
"name": "CVE-2023-52572",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52572"
},
{
"name": "CVE-2025-37781",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37781"
},
{
"name": "CVE-2025-37797",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37797"
},
{
"name": "CVE-2025-23145",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23145"
},
{
"name": "CVE-2025-37823",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37823"
},
{
"name": "CVE-2024-27402",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27402"
},
{
"name": "CVE-2025-37740",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37740"
},
{
"name": "CVE-2025-37829",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37829"
},
{
"name": "CVE-2025-23151",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23151"
},
{
"name": "CVE-2025-37796",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37796"
},
{
"name": "CVE-2025-37883",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37883"
},
{
"name": "CVE-2025-37811",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37811"
},
{
"name": "CVE-2025-37767",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37767"
},
{
"name": "CVE-2025-37989",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37989"
},
{
"name": "CVE-2024-50280",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50280"
},
{
"name": "CVE-2025-37768",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37768"
},
{
"name": "CVE-2025-37970",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37970"
},
{
"name": "CVE-2025-37905",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37905"
},
{
"name": "CVE-2025-38094",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38094"
},
{
"name": "CVE-2025-37967",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37967"
},
{
"name": "CVE-2025-37885",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37885"
},
{
"name": "CVE-2025-38000",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38000"
},
{
"name": "CVE-2025-37949",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37949"
},
{
"name": "CVE-2024-56751",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-56751"
},
{
"name": "CVE-2024-46774",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-46774"
},
{
"name": "CVE-2025-38083",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38083"
},
{
"name": "CVE-2024-54458",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-54458"
},
{
"name": "CVE-2025-37840",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37840"
},
{
"name": "CVE-2024-26739",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26739"
},
{
"name": "CVE-2024-35866",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35866"
},
{
"name": "CVE-2024-49989",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49989"
},
{
"name": "CVE-2024-36908",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36908"
},
{
"name": "CVE-2025-37982",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37982"
},
{
"name": "CVE-2025-37992",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37992"
},
{
"name": "CVE-2025-37932",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37932"
},
{
"name": "CVE-2025-37890",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37890"
},
{
"name": "CVE-2025-37914",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37914"
},
{
"name": "CVE-2025-37794",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37794"
},
{
"name": "CVE-2025-37836",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37836"
},
{
"name": "CVE-2024-50258",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-50258"
},
{
"name": "CVE-2024-42322",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42322"
},
{
"name": "CVE-2025-37771",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37771"
},
{
"name": "CVE-2025-37998",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37998"
},
{
"name": "CVE-2025-23163",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23163"
},
{
"name": "CVE-2024-56662",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-56662"
},
{
"name": "CVE-2025-37757",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37757"
},
{
"name": "CVE-2025-38177",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38177"
},
{
"name": "CVE-2025-38009",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38009"
},
{
"name": "CVE-2025-38001",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38001"
},
{
"name": "CVE-2025-37817",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37817"
},
{
"name": "CVE-2025-37838",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37838"
},
{
"name": "CVE-2025-37749",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37749"
},
{
"name": "CVE-2024-38541",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38541"
},
{
"name": "CVE-2025-37756",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37756"
},
{
"name": "CVE-2025-37994",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37994"
},
{
"name": "CVE-2024-38540",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38540"
},
{
"name": "CVE-2025-37858",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37858"
},
{
"name": "CVE-2025-37780",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37780"
},
{
"name": "CVE-2025-37995",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37995"
},
{
"name": "CVE-2025-23156",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23156"
},
{
"name": "CVE-2025-23157",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23157"
},
{
"name": "CVE-2025-37808",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37808"
},
{
"name": "CVE-2025-37997",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37997"
},
{
"name": "CVE-2025-37805",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37805"
},
{
"name": "CVE-2025-37990",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37990"
},
{
"name": "CVE-2025-37862",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37862"
},
{
"name": "CVE-2025-37839",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37839"
},
{
"name": "CVE-2025-37913",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37913"
},
{
"name": "CVE-2024-35943",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-35943"
},
{
"name": "CVE-2023-52757",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52757"
},
{
"name": "CVE-2025-37851",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37851"
},
{
"name": "CVE-2025-37788",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37788"
},
{
"name": "CVE-2025-37881",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37881"
},
{
"name": "CVE-2025-37909",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37909"
},
{
"name": "CVE-2025-37812",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37812"
},
{
"name": "CVE-2025-37875",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37875"
},
{
"name": "CVE-2022-21546",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21546"
},
{
"name": "CVE-2025-23140",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23140"
},
{
"name": "CVE-2025-23150",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23150"
},
{
"name": "CVE-2025-23148",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23148"
},
{
"name": "CVE-2025-23147",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-23147"
}
],
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"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
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"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7681-1",
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},
{
"published_at": "2025-07-30",
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},
{
"published_at": "2025-07-30",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7608-7",
"url": "https://ubuntu.com/security/notices/USN-7608-7"
},
{
"published_at": "2025-07-29",
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"url": "https://ubuntu.com/security/notices/USN-7671-2"
},
{
"published_at": "2025-07-25",
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},
{
"published_at": "2025-07-29",
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-7654-5",
"url": "https://ubuntu.com/security/notices/USN-7654-5"
}
]
}
CVE-2024-53051 (GCVE-0-2024-53051)
Vulnerability from cvelistv5 – Published: 2024-11-19 17:19 – Updated: 2026-05-11 20:49
VLAI
EPSS
VEX
Title
drm/i915/hdcp: Add encoder check in intel_hdcp_get_capability
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/hdcp: Add encoder check in intel_hdcp_get_capability
Sometimes during hotplug scenario or suspend/resume scenario encoder is
not always initialized when intel_hdcp_get_capability add
a check to avoid kernel null pointer dereference.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:13 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
bdc93fe0eb82f3646dbe34f6cea0cfcf5a1516ff , < 4912e8fb3c37fb2dedf48d9c18bbbecd70e720f8
(git)
Affected: bdc93fe0eb82f3646dbe34f6cea0cfcf5a1516ff , < 31b42af516afa1e184d1a9f9dd4096c54044269a (git) |
|
| Linux | Linux |
Affected:
5.0
Unaffected: 0 , < 5.0 (semver) Unaffected: 6.11.7 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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CVE-2024-53128 (GCVE-0-2024-53128)
Vulnerability from cvelistv5 – Published: 2024-12-04 14:20 – Updated: 2026-05-11 20:51
VLAI
EPSS
VEX
Title
sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers
When CONFIG_KASAN_SW_TAGS and CONFIG_KASAN_STACK are enabled, the
object_is_on_stack() function may produce incorrect results due to the
presence of tags in the obj pointer, while the stack pointer does not have
tags. This discrepancy can lead to incorrect stack object detection and
subsequently trigger warnings if CONFIG_DEBUG_OBJECTS is also enabled.
Example of the warning:
ODEBUG: object 3eff800082ea7bb0 is NOT on stack ffff800082ea0000, but annotated.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:557 __debug_object_init+0x330/0x364
Modules linked in:
CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc5 #4
Hardware name: linux,dummy-virt (DT)
pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __debug_object_init+0x330/0x364
lr : __debug_object_init+0x330/0x364
sp : ffff800082ea7b40
x29: ffff800082ea7b40 x28: 98ff0000c0164518 x27: 98ff0000c0164534
x26: ffff800082d93ec8 x25: 0000000000000001 x24: 1cff0000c00172a0
x23: 0000000000000000 x22: ffff800082d93ed0 x21: ffff800081a24418
x20: 3eff800082ea7bb0 x19: efff800000000000 x18: 0000000000000000
x17: 00000000000000ff x16: 0000000000000047 x15: 206b63617473206e
x14: 0000000000000018 x13: ffff800082ea7780 x12: 0ffff800082ea78e
x11: 0ffff800082ea790 x10: 0ffff800082ea79d x9 : 34d77febe173e800
x8 : 34d77febe173e800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : feff800082ea74b8 x4 : ffff800082870a90 x3 : ffff80008018d3c4
x2 : 0000000000000001 x1 : ffff800082858810 x0 : 0000000000000050
Call trace:
__debug_object_init+0x330/0x364
debug_object_init_on_stack+0x30/0x3c
schedule_hrtimeout_range_clock+0xac/0x26c
schedule_hrtimeout+0x1c/0x30
wait_task_inactive+0x1d4/0x25c
kthread_bind_mask+0x28/0x98
init_rescuer+0x1e8/0x280
workqueue_init+0x1a0/0x3cc
kernel_init_freeable+0x118/0x200
kernel_init+0x28/0x1f0
ret_from_fork+0x10/0x20
---[ end trace 0000000000000000 ]---
ODEBUG: object 3eff800082ea7bb0 is NOT on stack ffff800082ea0000, but annotated.
------------[ cut here ]------------
Severity
No CVSS data available.
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 , < 82e813b12b10ff705f3f5d600d8492fc5248618b
(git)
Affected: cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 , < 397383db9c69470642ac95beb04f2150928d663b (git) Affected: cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 , < 2d2b19ed4169c38dc6c61a186c5f7bdafc709691 (git) Affected: cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 , < fbfe23012cec509dfbe09852019c4e4bb84999d0 (git) Affected: cae9dc35ed9ff82a99754e51d57ff6c332e1f7e4 , < fd7b4f9f46d46acbc7af3a439bb0d869efdc5c58 (git) |
|
| Linux | Linux |
Affected:
5.9
Unaffected: 0 , < 5.9 (semver) Unaffected: 5.15.181 , ≤ 5.15.* (semver) Unaffected: 6.1.125 , ≤ 6.1.* (semver) Unaffected: 6.6.69 , ≤ 6.6.* (semver) Unaffected: 6.11.10 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
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CVE-2024-53203 (GCVE-0-2024-53203)
Vulnerability from cvelistv5 – Published: 2024-12-27 13:49 – Updated: 2026-05-11 20:52
VLAI
EPSS
VEX
Title
usb: typec: fix potential array underflow in ucsi_ccg_sync_control()
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: fix potential array underflow in ucsi_ccg_sync_control()
The "command" variable can be controlled by the user via debugfs. The
worry is that if con_index is zero then "&uc->ucsi->connector[con_index
- 1]" would be an array underflow.
Severity
No CVSS data available.
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
170a6726d0e266f2c8f306e3d61715c32f4ee41e , < 627c2a5056aba42a8a96a8fffe8996aeccf919a9
(git)
Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < e15fd96c0b701c53f9006bcc836eaeb35a05a023 (git) Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < e44189455c62469eb91d383ce9103d54c1f807a3 (git) Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < 0e66fd8e5a2e45c7dacfc9178ba702153f4a61a8 (git) Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < ef92cd55289a282910575c5b9d87f646f2d39b38 (git) Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < 56971710cd541f2f05160a84b3183477d34a1be9 (git) Affected: 170a6726d0e266f2c8f306e3d61715c32f4ee41e , < e56aac6e5a25630645607b6856d4b2a17b2311a5 (git) |
|
| Linux | Linux |
Affected:
5.6
Unaffected: 0 , < 5.6 (semver) Unaffected: 5.10.238 , ≤ 5.10.* (semver) Unaffected: 5.15.184 , ≤ 5.15.* (semver) Unaffected: 6.1.140 , ≤ 6.1.* (semver) Unaffected: 6.6.88 , ≤ 6.6.* (semver) Unaffected: 6.11.11 , ≤ 6.11.* (semver) Unaffected: 6.12.2 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix) |
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CVE-2024-54458 (GCVE-0-2024-54458)
Vulnerability from cvelistv5 – Published: 2025-02-27 02:18 – Updated: 2026-09-08 08:39
VLAI
EPSS
VEX
Title
scsi: ufs: bsg: Set bsg_queue to NULL after removal
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: ufs: bsg: Set bsg_queue to NULL after removal
Currently, this does not cause any issues, but I believe it is necessary to
set bsg_queue to NULL after removing it to prevent potential use-after-free
(UAF) access.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-27 17:57 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
10 references
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
df032bf27a414acf61c957ec2fad22a57d903b39 , < bb4783c670180b922267222408e1c48d22dfbb46
(git)
Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 22018622e1e9e371198dbd983af946a844d5924c (git) Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 5e7b6e44468c3242c21c2a8656d009fb3eb50a73 (git) Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 5f782d4741bf558def60df192b858b0efc6a5f0a (git) Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 88a01e9c9ad40c075756ba93b47984461d4ff15d (git) Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 9193bdc170cc23fe98aca71d1a63c0bf6e1e853b (git) Affected: df032bf27a414acf61c957ec2fad22a57d903b39 , < 1e95c798d8a7f70965f0f88d4657b682ff0ec75f (git) |
|
| Linux | Linux |
Affected:
4.20
Unaffected: 0 , < 4.20 (semver) Unaffected: 5.10.237 , ≤ 5.10.* (semver) Unaffected: 5.15.181 , ≤ 5.15.* (semver) Unaffected: 6.1.129 , ≤ 6.1.* (semver) Unaffected: 6.6.79 , ≤ 6.6.* (semver) Unaffected: 6.12.16 , ≤ 6.12.* (semver) Unaffected: 6.13.4 , ≤ 6.13.* (semver) Unaffected: 6.14 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
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"value": "AV:L - The affected code is entirely in the UFS host controller driver lifecycle path (`ufshcd_remove()` \u2192 `ufs_bsg_remove()`), reached through local actions such as sysfs driver unbind, module unload, or device teardown, and the associated `/dev/bsg/ufs-bsg0` endpoint is a local character device. No network or adjacent-network input reaches this code.\nAC:L - The stale `hba-\u003ebsg_queue` pointer is created unconditionally on every teardown \u2014 there is no error path to hit, no race to win, and no memory-layout precondition the attacker cannot influence; reclaiming the freed `request_queue`/`bsg_set` slab is a standard heap spray the attacker drives, and an open bsg fd lets the attacker choose when the object is actually freed.\nPR:L - Consistent with how this database scores driver-teardown and \"set pointer to NULL after free\" UAFs, a low-privileged local account able to drive device/driver lifecycle events is sufficient; no authentication beyond ordinary local access to the UFS host\u0027s lifecycle and bsg endpoint is assumed.\nUI:N - The teardown sequence is performed by the attacker itself (unbind/unload) or happens autonomously during device removal; no victim must mount a filesystem, open a file, or take any other action.\nS:U - The freed `struct request_queue` and `struct bsg_set` and all consequences of dereferencing them stay within the kernel\u0027s own security authority, with no crossing into a hypervisor, IOMMU, or other separate scope.\nC:H - Re-entry through the dangling pointer reads `q-\u003etag_set` from freed memory and follows `bset-\u003ebd` into `bd-\u003equeue-\u003edisk` and `cdev_device_del()`, so reclaimed heap contents are interpreted as kernel structures, giving attacker-directed pointer dereferences and disclosure of arbitrary kernel memory.\nI:H - The freed `struct bsg_set` contains the `job_fn` and `timeout_fn` function pointers and the `bd` device pointer, and the reuse path performs `put_device()` (refcount decrement plus release-callback indirect call) and a second `kfree(bset)`, so heap spraying the reclaimed allocation yields write and control-flow-hijack primitives.\nA:H - Use-after-free and double-free on the request queue and bsg set reliably produce slab corruption, a kernel oops, or a panic, which on a UFS-backed Android phone or embedded system means loss of the primary storage controller and of the machine."
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CVE-2024-56662 (GCVE-0-2024-56662)
Vulnerability from cvelistv5 – Published: 2024-12-27 15:06 – Updated: 2026-08-05 11:45
VLAI
EPSS
VEX
Title
acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl
Summary
In the Linux kernel, the following vulnerability has been resolved:
acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl
Fix an issue detected by syzbot with KASAN:
BUG: KASAN: vmalloc-out-of-bounds in cmd_to_func drivers/acpi/nfit/
core.c:416 [inline]
BUG: KASAN: vmalloc-out-of-bounds in acpi_nfit_ctl+0x20e8/0x24a0
drivers/acpi/nfit/core.c:459
The issue occurs in cmd_to_func when the call_pkg->nd_reserved2
array is accessed without verifying that call_pkg points to a buffer
that is appropriately sized as a struct nd_cmd_pkg. This can lead
to out-of-bounds access and undefined behavior if the buffer does not
have sufficient space.
To address this, a check was added in acpi_nfit_ctl() to ensure that
buf is not NULL and that buf_len is less than sizeof(*call_pkg)
before accessing it. This ensures safe access to the members of
call_pkg, including the nd_reserved2 array.
Severity
7.8 (High)
6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:59 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < 616aa5f3c86e0479bcbb81e41c08c43ff32af637
(git)
Affected: ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < bbdb3307f609ec4dc9558770f464ede01fe52aed (git) Affected: ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < 143f723e9eb4f0302ffb7adfdc7ef77eab3f68e0 (git) Affected: ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < e08dc2dc3c3f7938df0e4476fe3e6fdec5583c1d (git) Affected: ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < 212846fafb753a48e869e2a342fc1e24048da771 (git) Affected: ebe9f6f19d80d8978d16078dff3d5bd93ad8d102 , < 265e98f72bac6c41a4492d3e30a8e5fd22fe0779 (git) Affected: 63108f2a408abea7ecab063efa0f398da4d0d14b (git) Affected: f5878c4f084dc6b1386dad03970bb61ad5e9dc4b (git) Affected: 0c79794474895dbbc3c52225f7e9f73cfecbb7dd (git) Affected: 4.14.176 , < 4.15 (semver) Affected: 4.19.31 , < 4.20 (semver) Affected: 5.0.4 , < 5.1 (semver) |
|
| Linux | Linux |
Affected:
5.1
Unaffected: 0 , < 5.1 (semver) Unaffected: 5.10.232 , ≤ 5.10.* (semver) Unaffected: 5.15.175 , ≤ 5.15.* (semver) Unaffected: 6.1.121 , ≤ 6.1.* (semver) Unaffected: 6.6.67 , ≤ 6.6.* (semver) Unaffected: 6.12.6 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix) |
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"value": "AV:L - The vulnerability is reached exclusively through the `ND_IOCTL_CALL` ioctl on the local libnvdimm character devices `/dev/ndctl%d` or `/dev/nmem%d`, requiring local system access. There is no remote or adjacent-network path into `acpi_nfit_ctl()`.\nAC:L - The attacker fully controls `nd_size_in`/`nd_size_out` in the ioctl payload, and the u32 overflow in `__nd_ioctl()` deterministically produces an undersized `vmalloc()` buffer on every attempt; the OOB read in `cmd_to_func()` occurs unconditionally before any command-mask validation. No race, timing window, or uninfluenceable memory layout is involved.\nPR:L - The entire path from `nd_ioctl()` through `acpi_nfit_ctl()` contains no `capable()` or capability check of any kind \u2014 access is gated only by filesystem permissions on the nvdimm device node plus the `O_RDONLY` rejection, so any account or container granted write access to `/dev/ndctl0`/`/dev/nmem0` (e.g. a delegated pmem-management group or a management container given the device) can trigger it. Since no in-kernel privilege gate exists, this is scored as low privileges rather than real root.\nUI:N - Exploitation is a single self-contained ioctl issued by the attacker\u0027s own process; no victim action, mount, or file open is required.\nS:U - The out-of-bounds access corrupts and discloses kernel memory within the same kernel security authority, and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - The undersized allocation causes reads of up to 40 bytes of stale kernel page data past the allocation (`nd_reserved2` and `nd_fw_size`), and the desynchronized `nd_size_in` is then passed to `acpi_evaluate_dsm()` as a buffer descriptor of attacker-chosen length (up to ~4 GB) pointing into the vmap area, exposing far more than a strictly bounded few bytes.\nI:H - The same undersized-buffer condition yields an out-of-bounds write: `call_pkg-\u003end_fw_size = out_obj-\u003ebuffer.length` writes 4 bytes past the allocation, and `memcpy(call_pkg-\u003end_payload + call_pkg-\u003end_size_in, ...)` writes DSM output to an attacker-controlled offset roughly 4 GB beyond `buf`. An out-of-bounds write with attacker-influenced destination and length is a control-flow-hijack-capable primitive.\nA:H - The OOB access triggers a KASAN BUG on hardened kernels, and on production kernels the ~4 GB buffer length handed to the ACPI interpreter and the wild `memcpy` destination in the vmap region reliably fault, producing a kernel oops or panic. The condition is trivially repeatable."
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CVE-2024-56751 (GCVE-0-2024-56751)
Vulnerability from cvelistv5 – Published: 2024-12-29 11:30 – Updated: 2026-05-11 20:58
VLAI
EPSS
VEX
Title
ipv6: release nexthop on device removal
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: release nexthop on device removal
The CI is hitting some aperiodic hangup at device removal time in the
pmtu.sh self-test:
unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6
ref_tracker: veth_A-R1@ffff888013df15d8 has 1/5 users at
dst_init+0x84/0x4a0
dst_alloc+0x97/0x150
ip6_dst_alloc+0x23/0x90
ip6_rt_pcpu_alloc+0x1e6/0x520
ip6_pol_route+0x56f/0x840
fib6_rule_lookup+0x334/0x630
ip6_route_output_flags+0x259/0x480
ip6_dst_lookup_tail.constprop.0+0x5c2/0x940
ip6_dst_lookup_flow+0x88/0x190
udp_tunnel6_dst_lookup+0x2a7/0x4c0
vxlan_xmit_one+0xbde/0x4a50 [vxlan]
vxlan_xmit+0x9ad/0xf20 [vxlan]
dev_hard_start_xmit+0x10e/0x360
__dev_queue_xmit+0xf95/0x18c0
arp_solicit+0x4a2/0xe00
neigh_probe+0xaa/0xf0
While the first suspect is the dst_cache, explicitly tracking the dst
owing the last device reference via probes proved such dst is held by
the nexthop in the originating fib6_info.
Similar to commit f5b51fe804ec ("ipv6: route: purge exception on
removal"), we need to explicitly release the originating fib info when
disconnecting a to-be-removed device from a live ipv6 dst: move the
fib6_info cleanup into ip6_dst_ifdown().
Tested running:
./pmtu.sh cleanup_ipv6_exception
in a tight loop for more than 400 iterations with no spat, running an
unpatched kernel I observed a splat every ~10 iterations.
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < 77aa9855a878fb43f547ddfbda3127a1e88ad31a
(git)
Affected: f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < b2f26a27ea3f72f75d18330f76f5d1007c791848 (git) Affected: f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < 43e25adc80269f917d2a195f0d59f74cdd182955 (git) Affected: f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < a3c3f8a4d025acc8c857246ec2b812c59102487a (git) Affected: f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < 0e4c6faaef8a24b762a24ffb767280e263ef8e10 (git) Affected: f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74 , < eb02688c5c45c3e7af7e71f036a7144f5639cbfe (git) |
|
| Linux | Linux |
Affected:
5.3
Unaffected: 0 , < 5.3 (semver) Unaffected: 5.15.181 , ≤ 5.15.* (semver) Unaffected: 6.1.120 , ≤ 6.1.* (semver) Unaffected: 6.6.64 , ≤ 6.6.* (semver) Unaffected: 6.11.11 , ≤ 6.11.* (semver) Unaffected: 6.12.2 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: release nexthop on device removal\n\nThe CI is hitting some aperiodic hangup at device removal time in the\npmtu.sh self-test:\n\nunregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6\nref_tracker: veth_A-R1@ffff888013df15d8 has 1/5 users at\n\tdst_init+0x84/0x4a0\n\tdst_alloc+0x97/0x150\n\tip6_dst_alloc+0x23/0x90\n\tip6_rt_pcpu_alloc+0x1e6/0x520\n\tip6_pol_route+0x56f/0x840\n\tfib6_rule_lookup+0x334/0x630\n\tip6_route_output_flags+0x259/0x480\n\tip6_dst_lookup_tail.constprop.0+0x5c2/0x940\n\tip6_dst_lookup_flow+0x88/0x190\n\tudp_tunnel6_dst_lookup+0x2a7/0x4c0\n\tvxlan_xmit_one+0xbde/0x4a50 [vxlan]\n\tvxlan_xmit+0x9ad/0xf20 [vxlan]\n\tdev_hard_start_xmit+0x10e/0x360\n\t__dev_queue_xmit+0xf95/0x18c0\n\tarp_solicit+0x4a2/0xe00\n\tneigh_probe+0xaa/0xf0\n\nWhile the first suspect is the dst_cache, explicitly tracking the dst\nowing the last device reference via probes proved such dst is held by\nthe nexthop in the originating fib6_info.\n\nSimilar to commit f5b51fe804ec (\"ipv6: route: purge exception on\nremoval\"), we need to explicitly release the originating fib info when\ndisconnecting a to-be-removed device from a live ipv6 dst: move the\nfib6_info cleanup into ip6_dst_ifdown().\n\nTested running:\n\n./pmtu.sh cleanup_ipv6_exception\n\nin a tight loop for more than 400 iterations with no spat, running an\nunpatched kernel I observed a splat every ~10 iterations."
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CVE-2025-21839 (GCVE-0-2025-21839)
Vulnerability from cvelistv5 – Published: 2025-03-07 09:09 – Updated: 2026-08-05 11:54
VLAI
EPSS
VEX
Title
KVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop
Move the conditional loading of hardware DR6 with the guest's DR6 value
out of the core .vcpu_run() loop to fix a bug where KVM can load hardware
with a stale vcpu->arch.dr6.
When the guest accesses a DR and host userspace isn't debugging the guest,
KVM disables DR interception and loads the guest's values into hardware on
VM-Enter and saves them on VM-Exit. This allows the guest to access DRs
at will, e.g. so that a sequence of DR accesses to configure a breakpoint
only generates one VM-Exit.
For DR0-DR3, the logic/behavior is identical between VMX and SVM, and also
identical between KVM_DEBUGREG_BP_ENABLED (userspace debugging the guest)
and KVM_DEBUGREG_WONT_EXIT (guest using DRs), and so KVM handles loading
DR0-DR3 in common code, _outside_ of the core kvm_x86_ops.vcpu_run() loop.
But for DR6, the guest's value doesn't need to be loaded into hardware for
KVM_DEBUGREG_BP_ENABLED, and SVM provides a dedicated VMCB field whereas
VMX requires software to manually load the guest value, and so loading the
guest's value into DR6 is handled by {svm,vmx}_vcpu_run(), i.e. is done
_inside_ the core run loop.
Unfortunately, saving the guest values on VM-Exit is initiated by common
x86, again outside of the core run loop. If the guest modifies DR6 (in
hardware, when DR interception is disabled), and then the next VM-Exit is
a fastpath VM-Exit, KVM will reload hardware DR6 with vcpu->arch.dr6 and
clobber the guest's actual value.
The bug shows up primarily with nested VMX because KVM handles the VMX
preemption timer in the fastpath, and the window between hardware DR6
being modified (in guest context) and DR6 being read by guest software is
orders of magnitude larger in a nested setup. E.g. in non-nested, the
VMX preemption timer would need to fire precisely between #DB injection
and the #DB handler's read of DR6, whereas with a KVM-on-KVM setup, the
window where hardware DR6 is "dirty" extends all the way from L1 writing
DR6 to VMRESUME (in L1).
L1's view:
==========
<L1 disables DR interception>
CPU 0/KVM-7289 [023] d.... 2925.640961: kvm_entry: vcpu 0
A: L1 Writes DR6
CPU 0/KVM-7289 [023] d.... 2925.640963: <hack>: Set DRs, DR6 = 0xffff0ff1
B: CPU 0/KVM-7289 [023] d.... 2925.640967: kvm_exit: vcpu 0 reason EXTERNAL_INTERRUPT intr_info 0x800000ec
D: L1 reads DR6, arch.dr6 = 0
CPU 0/KVM-7289 [023] d.... 2925.640969: <hack>: Sync DRs, DR6 = 0xffff0ff0
CPU 0/KVM-7289 [023] d.... 2925.640976: kvm_entry: vcpu 0
L2 reads DR6, L1 disables DR interception
CPU 0/KVM-7289 [023] d.... 2925.640980: kvm_exit: vcpu 0 reason DR_ACCESS info1 0x0000000000000216
CPU 0/KVM-7289 [023] d.... 2925.640983: kvm_entry: vcpu 0
CPU 0/KVM-7289 [023] d.... 2925.640983: <hack>: Set DRs, DR6 = 0xffff0ff0
L2 detects failure
CPU 0/KVM-7289 [023] d.... 2925.640987: kvm_exit: vcpu 0 reason HLT
L1 reads DR6 (confirms failure)
CPU 0/KVM-7289 [023] d.... 2925.640990: <hack>: Sync DRs, DR6 = 0xffff0ff0
L0's view:
==========
L2 reads DR6, arch.dr6 = 0
CPU 23/KVM-5046 [001] d.... 3410.005610: kvm_exit: vcpu 23 reason DR_ACCESS info1 0x0000000000000216
CPU 23/KVM-5046 [001] ..... 3410.005610: kvm_nested_vmexit: vcpu 23 reason DR_ACCESS info1 0x0000000000000216
L2 => L1 nested VM-Exit
CPU 23/KVM-5046 [001] ..... 3410.005610: kvm_nested_vmexit_inject: reason: DR_ACCESS ext_inf1: 0x0000000000000216
CPU 23/KVM-5046 [001] d.... 3410.005610: kvm_entry: vcpu 23
CPU 23/KVM-5046 [001] d.... 3410.005611: kvm_exit: vcpu 23 reason VMREAD
CPU 23/KVM-5046 [001] d.... 3410.005611: kvm_entry: vcpu 23
CPU 23/KVM-5046 [001] d.... 3410.
---truncated---
Severity
7.3 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d67668e9dd76d98136048935723947156737932b , < 9efb2b99b96c86664bbdbdd2cdb354ac9627eb20
(git)
Affected: d67668e9dd76d98136048935723947156737932b , < 93eeb6df1605b3a24f38afdba7ab903ba6b64133 (git) Affected: d67668e9dd76d98136048935723947156737932b , < a1723e9c53fe6431415be19302a56543daf503f5 (git) Affected: d67668e9dd76d98136048935723947156737932b , < 4eb063de686bfcdfd03a8c801d1bbe87d2d5eb55 (git) Affected: d67668e9dd76d98136048935723947156737932b , < d456de38d9eb753a4e9fde053c18d4ef8e485339 (git) Affected: d67668e9dd76d98136048935723947156737932b , < c2fee09fc167c74a64adb08656cb993ea475197e (git) |
|
| Linux | Linux |
Affected:
5.7
Unaffected: 0 , < 5.7 (semver) Unaffected: 5.15.182 , ≤ 5.15.* (semver) Unaffected: 6.1.138 , ≤ 6.1.* (semver) Unaffected: 6.6.90 , ≤ 6.6.* (semver) Unaffected: 6.12.16 , ≤ 6.12.* (semver) Unaffected: 6.13.4 , ≤ 6.13.* (semver) Unaffected: 6.14 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop\n\nMove the conditional loading of hardware DR6 with the guest\u0027s DR6 value\nout of the core .vcpu_run() loop to fix a bug where KVM can load hardware\nwith a stale vcpu-\u003earch.dr6.\n\nWhen the guest accesses a DR and host userspace isn\u0027t debugging the guest,\nKVM disables DR interception and loads the guest\u0027s values into hardware on\nVM-Enter and saves them on VM-Exit. This allows the guest to access DRs\nat will, e.g. so that a sequence of DR accesses to configure a breakpoint\nonly generates one VM-Exit.\n\nFor DR0-DR3, the logic/behavior is identical between VMX and SVM, and also\nidentical between KVM_DEBUGREG_BP_ENABLED (userspace debugging the guest)\nand KVM_DEBUGREG_WONT_EXIT (guest using DRs), and so KVM handles loading\nDR0-DR3 in common code, _outside_ of the core kvm_x86_ops.vcpu_run() loop.\n\nBut for DR6, the guest\u0027s value doesn\u0027t need to be loaded into hardware for\nKVM_DEBUGREG_BP_ENABLED, and SVM provides a dedicated VMCB field whereas\nVMX requires software to manually load the guest value, and so loading the\nguest\u0027s value into DR6 is handled by {svm,vmx}_vcpu_run(), i.e. is done\n_inside_ the core run loop.\n\nUnfortunately, saving the guest values on VM-Exit is initiated by common\nx86, again outside of the core run loop. If the guest modifies DR6 (in\nhardware, when DR interception is disabled), and then the next VM-Exit is\na fastpath VM-Exit, KVM will reload hardware DR6 with vcpu-\u003earch.dr6 and\nclobber the guest\u0027s actual value.\n\nThe bug shows up primarily with nested VMX because KVM handles the VMX\npreemption timer in the fastpath, and the window between hardware DR6\nbeing modified (in guest context) and DR6 being read by guest software is\norders of magnitude larger in a nested setup. E.g. in non-nested, the\nVMX preemption timer would need to fire precisely between #DB injection\nand the #DB handler\u0027s read of DR6, whereas with a KVM-on-KVM setup, the\nwindow where hardware DR6 is \"dirty\" extends all the way from L1 writing\nDR6 to VMRESUME (in L1).\n\n L1\u0027s view:\n ==========\n \u003cL1 disables DR interception\u003e\n CPU 0/KVM-7289 [023] d.... 2925.640961: kvm_entry: vcpu 0\n A: L1 Writes DR6\n CPU 0/KVM-7289 [023] d.... 2925.640963: \u003chack\u003e: Set DRs, DR6 = 0xffff0ff1\n\n B: CPU 0/KVM-7289 [023] d.... 2925.640967: kvm_exit: vcpu 0 reason EXTERNAL_INTERRUPT intr_info 0x800000ec\n\n D: L1 reads DR6, arch.dr6 = 0\n CPU 0/KVM-7289 [023] d.... 2925.640969: \u003chack\u003e: Sync DRs, DR6 = 0xffff0ff0\n\n CPU 0/KVM-7289 [023] d.... 2925.640976: kvm_entry: vcpu 0\n L2 reads DR6, L1 disables DR interception\n CPU 0/KVM-7289 [023] d.... 2925.640980: kvm_exit: vcpu 0 reason DR_ACCESS info1 0x0000000000000216\n CPU 0/KVM-7289 [023] d.... 2925.640983: kvm_entry: vcpu 0\n\n CPU 0/KVM-7289 [023] d.... 2925.640983: \u003chack\u003e: Set DRs, DR6 = 0xffff0ff0\n\n L2 detects failure\n CPU 0/KVM-7289 [023] d.... 2925.640987: kvm_exit: vcpu 0 reason HLT\n L1 reads DR6 (confirms failure)\n CPU 0/KVM-7289 [023] d.... 2925.640990: \u003chack\u003e: Sync DRs, DR6 = 0xffff0ff0\n\n L0\u0027s view:\n ==========\n L2 reads DR6, arch.dr6 = 0\n CPU 23/KVM-5046 [001] d.... 3410.005610: kvm_exit: vcpu 23 reason DR_ACCESS info1 0x0000000000000216\n CPU 23/KVM-5046 [001] ..... 3410.005610: kvm_nested_vmexit: vcpu 23 reason DR_ACCESS info1 0x0000000000000216\n\n L2 =\u003e L1 nested VM-Exit\n CPU 23/KVM-5046 [001] ..... 3410.005610: kvm_nested_vmexit_inject: reason: DR_ACCESS ext_inf1: 0x0000000000000216\n\n CPU 23/KVM-5046 [001] d.... 3410.005610: kvm_entry: vcpu 23\n CPU 23/KVM-5046 [001] d.... 3410.005611: kvm_exit: vcpu 23 reason VMREAD\n CPU 23/KVM-5046 [001] d.... 3410.005611: kvm_entry: vcpu 23\n CPU 23/KVM-5046 [001] d.... 3410.\n---truncated---"
}
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"metrics": [
{
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"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H",
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"value": "AV:L - Reaching the flaw requires executing code inside a KVM guest (or local access to /dev/kvm to start one); the DR access, the DR6 write, and the fastpath-inducing WRMSR/HLT are all local CPU instructions with no network component.\nAC:L - A guest at CPL0 controls both halves deterministically \u2014 it writes DR6, then forces a fastpath exit via WRMSR TSC_DEADLINE, an x2APIC self-IPI, or HLT, guaranteeing the stale reload on re-entry; under nested virt the dirty-DR6 window is enormous, and the bug also fires spontaneously under ordinary timer/idle activity.\nPR:L - Only an unprivileged local account is needed \u2014 on the host, /dev/kvm access lets a normal user run arbitrary ring-0 guest code; inside a guest, unprivileged userspace reaches the same state via ptrace POKEUSER on u_debugreg or perf_event_open hardware breakpoints, which make the guest kernel touch DRs and set KVM_DEBUGREG_WONT_EXIT.\nUI:N - The DR access, DR6 write, and fastpath exit are all attacker-initiated; no victim action is required, and the condition additionally arises during normal guest timer and idle operation.\nS:C - The defect is in the host hypervisor (arch/x86/kvm), but the corrupted resource is guest architectural register state, so the impact lands in the guest OS \u2014 a security authority distinct from the host KVM component that contains the bug.\nC:N - The clobbering value is the guest\u0027s own previously saved vcpu-\u003earch.dr6, and vmx_sync_dirty_debug_regs() resets hardware DR6 to DR6_RESERVED before host code runs, so no host or cross-VM data is disclosed.\nI:L - The host silently overwrites a guest architectural register with a stale value, letting an in-guest attacker clear DR_TRAPn bits to hide hardware-breakpoint hits from guest-side debuggers and integrity monitors, or inject spurious trap bits; the modification is confined to DR6 and is not an arbitrary write.\nA:H - Losing a DR_TRAPn bit means the guest\u0027s hw_breakpoint_handler() never sets X86_EFLAGS_RF for an execute breakpoint, so the faulting instruction re-triggers #DB forever and the vCPU hangs; a stale DR_STEP bit trips WARN_ON_ONCE in the guest\u0027s exc_debug_kernel(), panicking the guest under panic_on_warn, and nested hypervisors malfunction outright."
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CVE-2025-21853 (GCVE-0-2025-21853)
Vulnerability from cvelistv5 – Published: 2025-03-12 09:42 – Updated: 2026-09-08 08:40
VLAI
EPSS
VEX
Title
bpf: avoid holding freeze_mutex during mmap operation
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: avoid holding freeze_mutex during mmap operation
We use map->freeze_mutex to prevent races between map_freeze() and
memory mapping BPF map contents with writable permissions. The way we
naively do this means we'll hold freeze_mutex for entire duration of all
the mm and VMA manipulations, which is completely unnecessary. This can
potentially also lead to deadlocks, as reported by syzbot in [0].
So, instead, hold freeze_mutex only during writeability checks, bump
(proactively) "write active" count for the map, unlock the mutex and
proceed with mmap logic. And only if something went wrong during mmap
logic, then undo that "write active" counter increment.
[0] https://lore.kernel.org/bpf/678dcbc9.050a0220.303755.0066.GAE@google.com/
Severity
No CVSS data available.
Assigner
References
10 references
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
fc9702273e2edb90400a34b3be76f7b08fa3344b , < 2ce31c97c219b4fe797749f950274f246eb88c49
(git)
Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < 0d90d9e154144a3a80e9fc0eb9b21b7fc990f68f (git) Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < 4759acbd44d24a69b7b14848012ec4201d6c5501 (git) Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < 29cfda62ab4d92ab94123813db49ab76c1e61b29 (git) Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < d95607a5f2f9bb08194c9deaf4a5f3e8ba59a9d4 (git) Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < 271e49f8a58edba65bc2b1250a0abaa98c4bfdbe (git) Affected: fc9702273e2edb90400a34b3be76f7b08fa3344b , < bc27c52eea189e8f7492d40739b7746d67b65beb (git) |
|
| Linux | Linux |
Affected:
5.5
Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.237 , ≤ 5.10.* (semver) Unaffected: 5.15.181 , ≤ 5.15.* (semver) Unaffected: 6.1.135 , ≤ 6.1.* (semver) Unaffected: 6.6.80 , ≤ 6.6.* (semver) Unaffected: 6.12.17 , ≤ 6.12.* (semver) Unaffected: 6.13.5 , ≤ 6.13.* (semver) Unaffected: 6.14 , ≤ * (original_commit_for_fix) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
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CVE-2025-22027 (GCVE-0-2025-22027)
Vulnerability from cvelistv5 – Published: 2025-04-16 14:11 – Updated: 2026-05-11 21:11
VLAI
EPSS
VEX
Title
media: streamzap: fix race between device disconnection and urb callback
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: streamzap: fix race between device disconnection and urb callback
Syzkaller has reported a general protection fault at function
ir_raw_event_store_with_filter(). This crash is caused by a NULL pointer
dereference of dev->raw pointer, even though it is checked for NULL in
the same function, which means there is a race condition. It occurs due
to the incorrect order of actions in the streamzap_disconnect() function:
rc_unregister_device() is called before usb_kill_urb(). The dev->raw
pointer is freed and set to NULL in rc_unregister_device(), and only
after that usb_kill_urb() waits for in-progress requests to finish.
If rc_unregister_device() is called while streamzap_callback() handler is
not finished, this can lead to accessing freed resources. Thus
rc_unregister_device() should be called after usb_kill_urb().
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 17:05 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8e9e60640067858e8036d4d43bbf725c60613359 , < e11652a6514ec805440c1bb3739e6c6236fffcc7
(git)
Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < f1d518c0bad01abe83c2df880274cb6a39f4a457 (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < 30ef7cfee752ca318d5902cb67b60d9797ccd378 (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < 15483afb930fc2f883702dc96f80efbe4055235e (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < adf0ddb914c9e5b3e50da4c97959e82de2df75c3 (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < 4db62b60af2ccdea6ac5452fd20e29587ed85f57 (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < 8760da4b9d44c36b93b6e4cf401ec7fe520015bd (git) Affected: 8e9e60640067858e8036d4d43bbf725c60613359 , < f656cfbc7a293a039d6a0c7100e1c846845148c1 (git) |
|
| Linux | Linux |
Affected:
2.6.36
Unaffected: 0 , < 2.6.36 (semver) Unaffected: 5.10.237 , ≤ 5.10.* (semver) Unaffected: 5.15.181 , ≤ 5.15.* (semver) Unaffected: 6.1.134 , ≤ 6.1.* (semver) Unaffected: 6.6.87 , ≤ 6.6.* (semver) Unaffected: 6.12.23 , ≤ 6.12.* (semver) Unaffected: 6.13.11 , ≤ 6.13.* (semver) Unaffected: 6.14.2 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix) |
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CVE-2025-22062 (GCVE-0-2025-22062)
Vulnerability from cvelistv5 – Published: 2025-04-16 14:12 – Updated: 2026-08-05 11:56
VLAI
EPSS
VEX
Title
sctp: add mutual exclusion in proc_sctp_do_udp_port()
Summary
In the Linux kernel, the following vulnerability has been resolved:
sctp: add mutual exclusion in proc_sctp_do_udp_port()
We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start()
or risk a crash as syzbot reported:
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653
Call Trace:
<TASK>
udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181
sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930
proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553
proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601
iter_file_splice_write+0x91c/0x1150 fs/splice.c:738
do_splice_from fs/splice.c:935 [inline]
direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158
splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102
do_splice_direct_actor fs/splice.c:1201 [inline]
do_splice_direct+0x174/0x240 fs/splice.c:1227
do_sendfile+0xafd/0xe50 fs/read_write.c:1368
__do_sys_sendfile64 fs/read_write.c:1429 [inline]
__se_sys_sendfile64 fs/read_write.c:1415 [inline]
__x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
Severity
7.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
046c052b475e7119b6a30e3483e2888fc606a2f8 , < 65ccb2793da7401772a3ffe85355c831b313c59f
(git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < 386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d (git) Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < b3598f53211ba1025485306de2733bdd241311a3 (git) Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < e5178bfc55b3a78000f0f8298e7ade88783ce581 (git) Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < efb8cb487be8f4ba6aaef616011d702d6a083ed1 (git) Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < d3d7675d77622f6ca1aae14c51f80027b36283f8 (git) Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < 10206302af856791fbcc27a33ed3c3eb09b2793d (git) |
|
| Linux | Linux |
Affected:
5.11
Unaffected: 0 , < 5.11 (semver) Unaffected: 5.15.184 , ≤ 5.15.* (semver) Unaffected: 6.1.140 , ≤ 6.1.* (semver) Unaffected: 6.6.92 , ≤ 6.6.* (semver) Unaffected: 6.12.23 , ≤ 6.12.* (semver) Unaffected: 6.13.11 , ≤ 6.13.* (semver) Unaffected: 6.14.2 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: add mutual exclusion in proc_sctp_do_udp_port()\n\nWe must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start()\nor risk a crash as syzbot reported:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]\nCPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\n RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653\nCall Trace:\n \u003cTASK\u003e\n udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181\n sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930\n proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553\n proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601\n iter_file_splice_write+0x91c/0x1150 fs/splice.c:738\n do_splice_from fs/splice.c:935 [inline]\n direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158\n splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102\n do_splice_direct_actor fs/splice.c:1201 [inline]\n do_splice_direct+0x174/0x240 fs/splice.c:1227\n do_sendfile+0xafd/0xe50 fs/read_write.c:1368\n __do_sys_sendfile64 fs/read_write.c:1429 [inline]\n __se_sys_sendfile64 fs/read_write.c:1415 [inline]\n __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The only entry point is a write() (or sendfile()/splice()) to the procfs file /proc/sys/net/sctp/udp_port, handled by proc_sctp_do_udp_port(); no remote peer or network packet can reach this code path.\nAC:L - The attacker creates and controls both sides of the race by issuing two concurrent writes to the same sysctl, and the window spans udp_tunnel_sock_release()\u0027s synchronize_rcu() \u2014 a millisecond-scale gap between reading net-\u003esctp.udp4_sock and clearing it \u2014 making the double release trivially winnable.\nPR:L - The sysctl is per-netns and net_ctl_permissions() grants write access to CAP_NET_ADMIN in the netns\u0027s user_ns, which any unprivileged user obtains with `unshare -Urn`; the file is also owned by the ns root uid via net_ctl_set_ownership().\nUI:N - Exploitation is entirely self-contained in the attacker\u0027s own threads writing to a procfs file; no victim action or cooperation is required.\nS:U - The double free and subsequent memory corruption occur in kernel heap objects within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The unserialized sctp_udp_sock_stop() releases the same struct socket twice, producing a use-after-free/double-iput on the socket_alloc slab plus a sock_put() refcount underflow, letting the attacker reallocate the freed object and read back kernel memory contents.\nI:H - The second thread executes kernel_sock_shutdown(), which performs an indirect call via READ_ONCE(sock-\u003eops)-\u003eshutdown on the already-freed struct socket, giving a heap-spray-controlled function pointer and thus a control-flow hijack / arbitrary write primitive.\nA:H - The race reliably produces a kernel oops \u2014 syzbot reported a general protection fault (null-ptr-deref) in kernel_sock_shutdown() from sctp_udp_sock_stop() \u2014 and the double free/refcount underflow crashes or panics the kernel."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:56:28.212Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f"
},
{
"url": "https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d"
},
{
"url": "https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3"
},
{
"url": "https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581"
},
{
"url": "https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1"
},
{
"url": "https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8"
},
{
"url": "https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d"
}
],
"title": "sctp: add mutual exclusion in proc_sctp_do_udp_port()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-22062",
"datePublished": "2025-04-16T14:12:17.605Z",
"dateReserved": "2024-12-29T08:45:45.813Z",
"dateUpdated": "2026-08-05T11:56:28.212Z",
"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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