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CERTFR-2026-AVI-0809
Vulnerability from certfr_avis - Published: 2026-06-26 - Updated: 2026-06-26
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Debian",
"product": {
"name": "Debian",
"vendor": {
"name": "Debian",
"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-2026-45842",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45842"
},
{
"name": "CVE-2026-45845",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45845"
},
{
"name": "CVE-2025-22069",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22069"
},
{
"name": "CVE-2026-46319",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46319"
},
{
"name": "CVE-2026-31486",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31486"
},
{
"name": "CVE-2026-23346",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23346"
},
{
"name": "CVE-2026-23247",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23247"
},
{
"name": "CVE-2026-46170",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46170"
},
{
"name": "CVE-2026-46117",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46117"
},
{
"name": "CVE-2025-71289",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71289"
},
{
"name": "CVE-2026-31613",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31613"
},
{
"name": "CVE-2026-43331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43331"
},
{
"name": "CVE-2026-46158",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46158"
},
{
"name": "CVE-2026-46320",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46320"
},
{
"name": "CVE-2026-46137",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46137"
},
{
"name": "CVE-2026-45841",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45841"
},
{
"name": "CVE-2026-46331",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46331"
},
{
"name": "CVE-2026-23469",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23469"
},
{
"name": "CVE-2026-31420",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31420"
},
{
"name": "CVE-2026-46203",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46203"
},
{
"name": "CVE-2026-31663",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31663"
},
{
"name": "CVE-2026-45846",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45846"
},
{
"name": "CVE-2026-46323",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46323"
},
{
"name": "CVE-2025-68768",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68768"
},
{
"name": "CVE-2026-46315",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46315"
},
{
"name": "CVE-2025-68251",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68251"
},
{
"name": "CVE-2026-46321",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46321"
},
{
"name": "CVE-2026-52908",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52908"
},
{
"name": "CVE-2026-45840",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45840"
},
{
"name": "CVE-2026-45844",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45844"
},
{
"name": "CVE-2026-52910",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52910"
},
{
"name": "CVE-2026-45930",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45930"
},
{
"name": "CVE-2026-46274",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46274"
},
{
"name": "CVE-2026-46244",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46244"
},
{
"name": "CVE-2026-31717",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31717"
},
{
"name": "CVE-2026-52911",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52911"
},
{
"name": "CVE-2026-45843",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45843"
},
{
"name": "CVE-2026-46316",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46316"
},
{
"name": "CVE-2026-46160",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46160"
},
{
"name": "CVE-2026-43303",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43303"
},
{
"name": "CVE-2026-43245",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43245"
},
{
"name": "CVE-2026-52909",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-52909"
},
{
"name": "CVE-2026-23394",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23394"
},
{
"name": "CVE-2026-45838",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45838"
},
{
"name": "CVE-2026-23272",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23272"
},
{
"name": "CVE-2026-31560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-31560"
},
{
"name": "CVE-2026-46216",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46216"
},
{
"name": "CVE-2026-46275",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46275"
},
{
"name": "CVE-2026-45850",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45850"
},
{
"name": "CVE-2026-43116",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43116"
},
{
"name": "CVE-2026-46322",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46322"
},
{
"name": "CVE-2026-45839",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-45839"
},
{
"name": "CVE-2026-43219",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-43219"
}
],
"initial_release_date": "2026-06-26T00:00:00",
"last_revision_date": "2026-06-26T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0809",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-06-26T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Debian. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un d\u00e9ni de service.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian",
"vendor_advisories": [
{
"published_at": "2026-06-21",
"title": "Bulletin de s\u00e9curit\u00e9 Debian msg00266",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00266.html"
}
]
}
CVE-2026-45930 (GCVE-0-2026-45930)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:17 – Updated: 2026-06-19 11:58
VLAI
EPSS
Title
net: mctp: ensure our nlmsg responses are initialised
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mctp: ensure our nlmsg responses are initialised
Syed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from
DEVCORE Research Team working with Trend Micro Zero Day Initiative
report that a RTM_GETNEIGH will return uninitalised data in the pad
bytes of the ndmsg data.
Ensure we're initialising the netlink data to zero, in the link, addr
and neigh response messages.
Severity
No CVSS data available.
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
583be982d93479ea3d85091b0fd0b01201ede87d , < b37da3ac099e145bcd3be82c745a8d335772e3af
(git)
Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < c4f840437e7641764de15f2de951ac8335d641f1 (git) Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < 963537a26fd892f7e414a091f807b44aeee97a7d (git) Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < 976612471a9e6ead6ceffc241e4d0a1aac90b36a (git) Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < 54ed418de62a148a655262da682a050fa05f7924 (git) Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < 6fb6a97c86abb8592158088afaea0eb464cf9de1 (git) Affected: 583be982d93479ea3d85091b0fd0b01201ede87d , < a6a9bc544b675d8b5180f2718ec985ad267b5cbf (git) |
|
| Linux | Linux |
Affected:
5.15
Unaffected: 0 , < 5.15 (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.93 , ≤ 6.12.* (semver) Unaffected: 6.18.35 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/mctp/device.c",
"net/mctp/neigh.c",
"net/mctp/route.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b37da3ac099e145bcd3be82c745a8d335772e3af",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "c4f840437e7641764de15f2de951ac8335d641f1",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "963537a26fd892f7e414a091f807b44aeee97a7d",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "976612471a9e6ead6ceffc241e4d0a1aac90b36a",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "54ed418de62a148a655262da682a050fa05f7924",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "6fb6a97c86abb8592158088afaea0eb464cf9de1",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
},
{
"lessThan": "a6a9bc544b675d8b5180f2718ec985ad267b5cbf",
"status": "affected",
"version": "583be982d93479ea3d85091b0fd0b01201ede87d",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/mctp/device.c",
"net/mctp/neigh.c",
"net/mctp/route.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.15"
},
{
"lessThan": "5.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.210",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.176",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.143",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.93",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.35",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.210",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.176",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.143",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.93",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.35",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.4",
"versionStartIncluding": "5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0",
"versionStartIncluding": "5.15",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: ensure our nlmsg responses are initialised\n\nSyed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from\nDEVCORE Research Team working with Trend Micro Zero Day Initiative\nreport that a RTM_GETNEIGH will return uninitalised data in the pad\nbytes of the ndmsg data.\n\nEnsure we\u0027re initialising the netlink data to zero, in the link, addr\nand neigh response messages."
}
],
"providerMetadata": {
"dateUpdated": "2026-06-19T11:58:46.478Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af"
},
{
"url": "https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1"
},
{
"url": "https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d"
},
{
"url": "https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a"
},
{
"url": "https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924"
},
{
"url": "https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1"
},
{
"url": "https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf"
}
],
"title": "net: mctp: ensure our nlmsg responses are initialised",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-45930",
"datePublished": "2026-05-27T12:17:48.689Z",
"dateReserved": "2026-05-13T15:03:33.086Z",
"dateUpdated": "2026-06-19T11:58:46.478Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-46117 (GCVE-0-2026-46117)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-06-30 03:17
VLAI
EPSS
Title
RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()
Sashiko points out that the user can specify WQs sharing the same CQ as a
part of the uAPI and this will trigger the WARN_ON() then go on to corrupt
the kernel.
Just reject it outright and fail the QP creation.
Severity
CWE
- CWE-1288 - Improper Validation of Consistency within Input
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/9cc0c6b1ba8cd5c55… | |
| https://git.kernel.org/stable/c/9ef65af26b2a6738b… | |
| https://git.kernel.org/stable/c/db991ba50087ad99f… | |
| https://git.kernel.org/stable/c/159f2efabc89d3f93… | |
| https://access.redhat.com/security/cve/CVE-2026-46117 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2482576 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:30129 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27789 | vendor-advisoryx_refsource_REDHAT |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c15d7802a42402a87880a17eee89ff023e49ecc0 , < 9cc0c6b1ba8cd5c55aef043e1384de0a8b4efa71
(git)
Affected: c15d7802a42402a87880a17eee89ff023e49ecc0 , < 9ef65af26b2a6738bf15812042e84b3112402d3a (git) Affected: c15d7802a42402a87880a17eee89ff023e49ecc0 , < db991ba50087ad99fa12a2c483aa3be19671ea73 (git) Affected: c15d7802a42402a87880a17eee89ff023e49ecc0 , < 159f2efabc89d3f931d38f2d35876535d4abf0a3 (git) |
|
| Linux | Linux |
Affected:
6.8
Unaffected: 0 , < 6.8 (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
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CVE-2026-46137 (GCVE-0-2026-46137)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-06-19 11:59
VLAI
EPSS
Title
mptcp: pm: ADD_ADDR rtx: fix potential data-race
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: pm: ADD_ADDR rtx: fix potential data-race
This mptcp_pm_add_timer() helper is executed as a timer callback in
softirq context. To avoid any data races, the socket lock needs to be
held with bh_lock_sock().
If the socket is in use, retry again soon after, similar to what is done
with the keepalive timer.
Severity
9.8 (Critical)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < d9b272a85fe6b8f993e37915311e4038c814a533
(git)
Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 23079e0b7742ec114d3507c3e3aad01b7b69e4af (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < b35605e1f1e877038c8c9d499babbc891cdd234f (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 013dcdc1961543b9a3433466bc8c79a2f4ca75b5 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 6e4710d7d8782cb61af29a7e7111ddfc38b9e1a3 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 2ad56e434199ca24a812bb353667aa1c3860f513 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < cc3c0399361efaaf7ae64262eb3f70829b1189c6 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 5cd6e0ad79d2615264f63929f8b457ad97ae550d (git) |
|
| Linux | Linux |
Affected:
5.10
Unaffected: 0 , < 5.10 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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CVE-2026-46158 (GCVE-0-2026-46158)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-14 17:58
VLAI
EPSS
Title
mptcp: pm: ADD_ADDR rtx: always decrease sk refcount
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: pm: ADD_ADDR rtx: always decrease sk refcount
When an ADD_ADDR is retransmitted, the sk is held in sk_reset_timer().
It should then be released in all cases at the end.
Some (unlikely) checks were returning directly instead of calling
sock_put() to decrease the refcount. Jump to a new 'exit' label to call
__sock_put() (which will become sock_put() in the next commit) to fix
this potential leak.
While at it, drop the '!msk' check which cannot happen because it is
never reset, and explicitly mark the remaining one as "unlikely".
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 9426265e157dd77ec237c795901ed4dea6d69b5c
(git)
Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < b41dd76f3b9735096c21d3e799a2b9fe36498d57 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < acd3d3562315c99f3c0db16f0fcc5f0306638982 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 25e37407442b8766ec2cf52fb4e31b5c3d3aeeae (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 9634cb35af17019baec21ca648516ce376fa10e6 (git) |
|
| Linux | Linux |
Affected:
5.10
Unaffected: 0 , < 5.10 (semver) Unaffected: 6.6.142 , ≤ 6.6.* (semver) Unaffected: 6.12.92 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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CVE-2026-46160 (GCVE-0-2026-46160)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-19 11:59
VLAI
EPSS
Title
btrfs: fix missing last_unlink_trans update when removing a directory
Summary
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix missing last_unlink_trans update when removing a directory
When removing a directory we are not updating its last_unlink_trans field,
which can result in incorrect fsync behaviour in case some one fsyncs the
directory after it was removed because it's holding a file descriptor on
it.
Example scenario:
mkdir /mnt/dir1
mkdir /mnt/dir1/dir2
mkdir /mnt/dir3
sync -f /mnt
# Do some change to the directory and fsync it.
chmod 700 /mnt/dir1
xfs_io -c fsync /mnt/dir1
# Move dir2 out of dir1 so that dir1 becomes empty.
mv /mnt/dir1/dir2 /mnt/dir3/
open fd on /mnt/dir1
call rmdir(2) on path "/mnt/dir1"
fsync fd
<trigger power failure>
When attempting to mount the filesystem, the log replay will fail with
an -EIO error and dmesg/syslog has the following:
[445771.626482] BTRFS info (device dm-0): first mount of filesystem 0368bbea-6c5e-44b5-b409-09abe496e650
[445771.626486] BTRFS info (device dm-0): using crc32c checksum algorithm
[445771.627912] BTRFS info (device dm-0): start tree-log replay
[445771.628335] page: refcount:2 mapcount:0 mapping:0000000061443ddc index:0x1d00 pfn:0x7072a5
[445771.629453] memcg:ffff89f400351b00
[445771.629892] aops:btree_aops [btrfs] ino:1
[445771.630737] flags: 0x17fffc00000402a(uptodate|lru|private|writeback|node=0|zone=2|lastcpupid=0x1ffff)
[445771.632359] raw: 017fffc00000402a fffff47284d950c8 fffff472907b7c08 ffff89f458e412b8
[445771.633713] raw: 0000000000001d00 ffff89f6c51d1a90 00000002ffffffff ffff89f400351b00
[445771.635029] page dumped because: eb page dump
[445771.635825] BTRFS critical (device dm-0): corrupt leaf: root=5 block=30408704 slot=10 ino=258, invalid nlink: has 2 expect no more than 1 for dir
[445771.638088] BTRFS info (device dm-0): leaf 30408704 gen 10 total ptrs 17 free space 14878 owner 5
[445771.638091] BTRFS info (device dm-0): refs 4 lock_owner 0 current 3581087
[445771.638094] item 0 key (256 INODE_ITEM 0) itemoff 16123 itemsize 160
[445771.638097] inode generation 3 transid 9 size 16 nbytes 16384
[445771.638098] block group 0 mode 40755 links 1 uid 0 gid 0
[445771.638100] rdev 0 sequence 2 flags 0x0
[445771.638102] atime 1775744884.0
[445771.660056] ctime 1775744885.645502983
[445771.660058] mtime 1775744885.645502983
[445771.660060] otime 1775744884.0
[445771.660062] item 1 key (256 INODE_REF 256) itemoff 16111 itemsize 12
[445771.660064] index 0 name_len 2
[445771.660066] item 2 key (256 DIR_ITEM 1843588421) itemoff 16077 itemsize 34
[445771.660068] location key (259 1 0) type 2
[445771.660070] transid 9 data_len 0 name_len 4
[445771.660075] item 3 key (256 DIR_ITEM 2363071922) itemoff 16043 itemsize 34
[445771.660076] location key (257 1 0) type 2
[445771.660077] transid 9 data_len 0 name_len 4
[445771.660078] item 4 key (256 DIR_INDEX 2) itemoff 16009 itemsize 34
[445771.660079] location key (257 1 0) type 2
[445771.660080] transid 9 data_len 0 name_len 4
[445771.660081] item 5 key (256 DIR_INDEX 3) itemoff 15975 itemsize 34
[445771.660082] location key (259 1 0) type 2
[445771.660083] transid 9 data_len 0 name_len 4
[445771.660084] item 6 key (257 INODE_ITEM 0) itemoff 15815 itemsize 160
[445771.660086] inode generation 9 transid 9 size 8 nbytes 0
[445771.660087] block group 0 mode 40777 links 1 uid 0 gid 0
[445771.660088] rdev 0 sequence 2 flags 0x0
[445771.660089] atime 1775744885.641174097
[445771.660090] ctime 1775744885.645502983
[445771.660091] mtime 1775744885.645502983
[445771.660105] otime 1775744885.641174097
[445771.660106] item 7 key (257 INODE_REF 256) itemoff 15801 itemsize 14
[445771.660107] index 2 name_len 4
[445771.660108] item 8 key (257 DIR_ITEM 2676584006) itemoff 15767 itemsize 34
[445771.660109] location key (2
---truncated---
Severity
No CVSS data available.
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
12fcfd22fe5bf4fe74710232098bc101af497995 , < af467162290f5fe79d6a361b7c84302e45b1fd9f
(git)
Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < 2525998ac956476bded26b9f34c4164dc890b87a (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < 6acbb2f6dff23c9bb9761fb98b516525b9cf1ce9 (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < cc3c0a0f965754ce230d93ba44ee5b34fbe6138a (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < aa9c3ecaf7337df3a689318584f879b5339ede0f (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < fb388eb58c1ba047ccabc33901839acfecadcf49 (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < 36fcc2c7517f8a86379154c9793f867592aa8b7e (git) Affected: 12fcfd22fe5bf4fe74710232098bc101af497995 , < 999757231c49376cd1a37308d2c8c4c9932571e1 (git) |
|
| Linux | Linux |
Affected:
2.6.30
Unaffected: 0 , < 2.6.30 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix missing last_unlink_trans update when removing a directory\n\nWhen removing a directory we are not updating its last_unlink_trans field,\nwhich can result in incorrect fsync behaviour in case some one fsyncs the\ndirectory after it was removed because it\u0027s holding a file descriptor on\nit.\n\nExample scenario:\n\n mkdir /mnt/dir1\n mkdir /mnt/dir1/dir2\n mkdir /mnt/dir3\n\n sync -f /mnt\n\n # Do some change to the directory and fsync it.\n chmod 700 /mnt/dir1\n xfs_io -c fsync /mnt/dir1\n\n # Move dir2 out of dir1 so that dir1 becomes empty.\n mv /mnt/dir1/dir2 /mnt/dir3/\n\n open fd on /mnt/dir1\n call rmdir(2) on path \"/mnt/dir1\"\n fsync fd\n\n \u003ctrigger power failure\u003e\n\nWhen attempting to mount the filesystem, the log replay will fail with\nan -EIO error and dmesg/syslog has the following:\n\n [445771.626482] BTRFS info (device dm-0): first mount of filesystem 0368bbea-6c5e-44b5-b409-09abe496e650\n [445771.626486] BTRFS info (device dm-0): using crc32c checksum algorithm\n [445771.627912] BTRFS info (device dm-0): start tree-log replay\n [445771.628335] page: refcount:2 mapcount:0 mapping:0000000061443ddc index:0x1d00 pfn:0x7072a5\n [445771.629453] memcg:ffff89f400351b00\n [445771.629892] aops:btree_aops [btrfs] ino:1\n [445771.630737] flags: 0x17fffc00000402a(uptodate|lru|private|writeback|node=0|zone=2|lastcpupid=0x1ffff)\n [445771.632359] raw: 017fffc00000402a fffff47284d950c8 fffff472907b7c08 ffff89f458e412b8\n [445771.633713] raw: 0000000000001d00 ffff89f6c51d1a90 00000002ffffffff ffff89f400351b00\n [445771.635029] page dumped because: eb page dump\n [445771.635825] BTRFS critical (device dm-0): corrupt leaf: root=5 block=30408704 slot=10 ino=258, invalid nlink: has 2 expect no more than 1 for dir\n [445771.638088] BTRFS info (device dm-0): leaf 30408704 gen 10 total ptrs 17 free space 14878 owner 5\n [445771.638091] BTRFS info (device dm-0): refs 4 lock_owner 0 current 3581087\n [445771.638094] \titem 0 key (256 INODE_ITEM 0) itemoff 16123 itemsize 160\n [445771.638097] \t\tinode generation 3 transid 9 size 16 nbytes 16384\n [445771.638098] \t\tblock group 0 mode 40755 links 1 uid 0 gid 0\n [445771.638100] \t\trdev 0 sequence 2 flags 0x0\n [445771.638102] \t\tatime 1775744884.0\n [445771.660056] \t\tctime 1775744885.645502983\n [445771.660058] \t\tmtime 1775744885.645502983\n [445771.660060] \t\totime 1775744884.0\n [445771.660062] \titem 1 key (256 INODE_REF 256) itemoff 16111 itemsize 12\n [445771.660064] \t\tindex 0 name_len 2\n [445771.660066] \titem 2 key (256 DIR_ITEM 1843588421) itemoff 16077 itemsize 34\n [445771.660068] \t\tlocation key (259 1 0) type 2\n [445771.660070] \t\ttransid 9 data_len 0 name_len 4\n [445771.660075] \titem 3 key (256 DIR_ITEM 2363071922) itemoff 16043 itemsize 34\n [445771.660076] \t\tlocation key (257 1 0) type 2\n [445771.660077] \t\ttransid 9 data_len 0 name_len 4\n [445771.660078] \titem 4 key (256 DIR_INDEX 2) itemoff 16009 itemsize 34\n [445771.660079] \t\tlocation key (257 1 0) type 2\n [445771.660080] \t\ttransid 9 data_len 0 name_len 4\n [445771.660081] \titem 5 key (256 DIR_INDEX 3) itemoff 15975 itemsize 34\n [445771.660082] \t\tlocation key (259 1 0) type 2\n [445771.660083] \t\ttransid 9 data_len 0 name_len 4\n [445771.660084] \titem 6 key (257 INODE_ITEM 0) itemoff 15815 itemsize 160\n [445771.660086] \t\tinode generation 9 transid 9 size 8 nbytes 0\n [445771.660087] \t\tblock group 0 mode 40777 links 1 uid 0 gid 0\n [445771.660088] \t\trdev 0 sequence 2 flags 0x0\n [445771.660089] \t\tatime 1775744885.641174097\n [445771.660090] \t\tctime 1775744885.645502983\n [445771.660091] \t\tmtime 1775744885.645502983\n [445771.660105] \t\totime 1775744885.641174097\n [445771.660106] \titem 7 key (257 INODE_REF 256) itemoff 15801 itemsize 14\n [445771.660107] \t\tindex 2 name_len 4\n [445771.660108] \titem 8 key (257 DIR_ITEM 2676584006) itemoff 15767 itemsize 34\n [445771.660109] \t\tlocation key (2\n---truncated---"
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CVE-2026-46170 (GCVE-0-2026-46170)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-14 17:59
VLAI
EPSS
Title
mptcp: pm: ADD_ADDR rtx: free sk if last
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: pm: ADD_ADDR rtx: free sk if last
When an ADD_ADDR is retransmitted, the sk is held in sk_reset_timer(),
and released at the end.
If at that moment, it was the last reference being held, the sk would
not be freed. sock_put() should then be called instead of __sock_put().
But that's not enough: if it is the last reference, sock_put() will call
sk_free(), which will end up calling sk_stop_timer_sync() on the same
timer, and waiting indefinitely to finish. So it is needed to mark that
the timer is done at the end of the timer handler when it has not been
rescheduled, not to call sk_stop_timer_sync() on "itself".
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 6a3af482188f6db4186d1605f64d911d7330abb3
(git)
Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 531c537b8fb620beabccfb1594e8d43cbebbb87a (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < b74ad20198652b6b39a761c277ba65ae82b1e107 (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < 8143a224785ceaf2b0856e08d4498916f38228fb (git) Affected: 00cfd77b9063dcdf3628a7087faba60de85a9cc8 , < b7b9a461569734d33d3259d58d2507adfac107ed (git) |
|
| Linux | Linux |
Affected:
5.10
Unaffected: 0 , < 5.10 (semver) Unaffected: 6.6.142 , ≤ 6.6.* (semver) Unaffected: 6.12.92 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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CVE-2026-46203 (GCVE-0-2026-46203)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-06-19 12:00
VLAI
EPSS
Title
spi: cadence-quadspi: fix unclocked access on unbind
Summary
In the Linux kernel, the following vulnerability has been resolved:
spi: cadence-quadspi: fix unclocked access on unbind
Make sure that the controller is runtime resumed before disabling it
during driver unbind to avoid an unclocked register access.
This issue was flagged by Sashiko when reviewing a controller
deregistration fix.
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
0578a6dbfe7514db7134501cf93acc21cf13e479 , < 2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e
(git)
Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < 63a9f6012f453578898c9fcc13c8452a8651104e (git) Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < d67a5311818b3e6481a1e4293c9337ebfee73111 (git) Affected: 0578a6dbfe7514db7134501cf93acc21cf13e479 , < 233db2cb14db8b1935dda52a6affd97276462b82 (git) |
|
| Linux | Linux |
Affected:
6.7
Unaffected: 0 , < 6.7 (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.36 , ≤ 6.18.* (semver) Unaffected: 7.0.9 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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CVE-2026-46216 (GCVE-0-2026-46216)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-06-14 18:03
VLAI
EPSS
Title
drm/xe/hdcp: Add NULL check for media_gt in intel_hdcp_gsc_check_status()
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/xe/hdcp: Add NULL check for media_gt in intel_hdcp_gsc_check_status()
When media GT is disabled via configfs, there is no allocation for
media_gt, which is kept as NULL. In such scenario,
intel_hdcp_gsc_check_status() results in a kernel pagefault error due to
>->uc.gsc being evaluated as an invalid memory address.
Fix that by introducing a NULL check on media_gt and bailing out early
if so.
While at it, also drop the NULL check for gsc, since it can't be NULL if
media_gt is not NULL.
v2:
- Get address for gsc only after checking that gt is not NULL.
(Shuicheng)
- Drop the NULL check for gsc. (Shuicheng)
v3:
- Add "Fixes" and "Cc: <stable...>" tags. (Matt)
(cherry picked from commit bfaf87e84ca3ca3f6e275f9ae56da47a8b55ffd1)
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
4af50beb4e0f9e6aed9cd53436c099f1dba826f1 , < cad210d2851f3a7d9573bdfc02aa61d9287bbe8c
(git)
Affected: 4af50beb4e0f9e6aed9cd53436c099f1dba826f1 , < 814326e86e929b865020ff44f4576dbdfe3f7ff3 (git) Affected: 4af50beb4e0f9e6aed9cd53436c099f1dba826f1 , < d8ab4b47edf4578dbfbe5e95817107a514fa34cc (git) Affected: 4af50beb4e0f9e6aed9cd53436c099f1dba826f1 , < 60a1e131a811b68703da58fd805ab359b704ab03 (git) |
|
| Linux | Linux |
Affected:
6.10
Unaffected: 0 , < 6.10 (semver) Unaffected: 6.12.92 , ≤ 6.12.* (semver) Unaffected: 6.18.34 , ≤ 6.18.* (semver) Unaffected: 7.0.9 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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CVE-2026-46244 (GCVE-0-2026-46244)
Vulnerability from cvelistv5 – Published: 2026-06-03 15:48 – Updated: 2026-06-30 03:15
VLAI
EPSS
Title
netfilter: nft_inner: Fix IPv6 inner_thoff desync
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_inner: Fix IPv6 inner_thoff desync
In nft_inner_parse_l2l3(), when processing inner IPv6 packets,
ipv6_find_hdr() correctly computes the transport header offset
traversing all extension headers, but the result is immediately
overwritten with nhoff + sizeof(_ip6h) (40 bytes), which only
accounts for the IPv6 base header. This creates a desync between
inner_thoff (wrong — points to extension header start) and l4proto
(correct — e.g., IPPROTO_TCP), enabling transport header forgery
and potential firewall bypass. This issue affects stable versions
from Linux 6.2.
For comparison, the normal (non-inner) IPv6 path correctly
preserves ipv6_find_hdr()'s result. Removing the incorrect overwrite
ensures that ipv6_find_hdr()'s calculated transport header offset is
preserved, thereby fixing the desynchronization.
Severity
9.1 (Critical)
7.3 (High)
CWE
- CWE-823 - Use of Out-of-range Pointer Offset
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/c161ad9157f5a0429… | |
| https://git.kernel.org/stable/c/870d59e2cf218e741… | |
| https://git.kernel.org/stable/c/689bbf48c1f451300… | |
| https://git.kernel.org/stable/c/d0f98a3617f6ae5b1… | |
| https://git.kernel.org/stable/c/b6a91f68ebfed9c38… | |
| https://access.redhat.com/security/cve/CVE-2026-46244 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2484451 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:33215 | vendor-advisoryx_refsource_REDHAT |
Impacted products
12 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
3a07327d10a09379315c844c63f27941f5081e0a , < c161ad9157f5a0429b5ff94d9770faf3bf48d273
(git)
Affected: 3a07327d10a09379315c844c63f27941f5081e0a , < 870d59e2cf218e7418491e26bad768cb16654582 (git) Affected: 3a07327d10a09379315c844c63f27941f5081e0a , < 689bbf48c1f45130086ae1c46ab83ea4c753c601 (git) Affected: 3a07327d10a09379315c844c63f27941f5081e0a , < d0f98a3617f6ae5b1e95cde1e68e7ead4a1279ce (git) Affected: 3a07327d10a09379315c844c63f27941f5081e0a , < b6a91f68ebfed9c38e0e9150f58a9b85da07181c (git) |
|
| Linux | Linux |
Affected:
6.2
Unaffected: 0 , < 6.2 (semver) Unaffected: 6.6.142 , ≤ 6.6.* (semver) Unaffected: 6.12.92 , ≤ 6.12.* (semver) Unaffected: 6.18.34 , ≤ 6.18.* (semver) Unaffected: 7.0.11 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
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"state": "PUBLISHED"
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CVE-2026-46274 (GCVE-0-2026-46274)
Vulnerability from cvelistv5 – Published: 2026-06-08 14:30 – Updated: 2026-06-14 18:05
VLAI
EPSS
Title
io-wq: check that the predecessor is hashed in io_wq_remove_pending()
Summary
In the Linux kernel, the following vulnerability has been resolved:
io-wq: check that the predecessor is hashed in io_wq_remove_pending()
io_wq_remove_pending() needs to fix up wq->hash_tail[] if the cancelled
work was the tail of its hash bucket. When doing this, it checks whether
the preceding entry in acct->work_list has the same hash value, but
never checks that the predecessor is hashed at all. io_get_work_hash()
is simply atomic_read(&work->flags) >> IO_WQ_HASH_SHIFT, and the hash
bits are never set for non-hashed work, so it returns 0. Thus, when a
hashed bucket-0 work is cancelled while a non-hashed work is its list
predecessor, the check spuriously passes and a pointer to the non-hashed
io_kiocb is stored in wq->hash_tail[0].
Because non-hashed work is dequeued via the fast path in
io_get_next_work(), which never touches hash_tail[], the stale pointer
is never cleared. Therefore, after the non-hashed io_kiocb completes and
is freed back to req_cachep, wq->hash_tail[0] is a dangling pointer. The
io_wq is per-task (tctx->io_wq) and survives ring open/close, so the
dangling pointer persists for the lifetime of the task; the next hashed
bucket-0 enqueue dereferences it in io_wq_insert_work() and
wq_list_add_after() writes through freed memory.
Add the missing io_wq_is_hashed() check so a non-hashed predecessor
never inherits a hash_tail[] slot.
Severity
7.8 (High)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
204361a77f4018627addd4a06877448f088ddfc0 , < d6bda9df0c0a3080804181464d5c0f4d78a4e769
(git)
Affected: 204361a77f4018627addd4a06877448f088ddfc0 , < 5a20ebf0c81b61f5ea3b1b529c100cad69b9f603 (git) Affected: 204361a77f4018627addd4a06877448f088ddfc0 , < 252c5051dba9c709b6a72f2866f93e5e618b3f06 (git) Affected: 204361a77f4018627addd4a06877448f088ddfc0 , < d376c131af7c7739a87ff037ed2fdb67c2542c8a (git) Affected: 204361a77f4018627addd4a06877448f088ddfc0 , < d6a2d7b04b5a093021a7a0e2e69e9d5237dfa8cc (git) Affected: 13f35a2c0fd5c6a4fcd8903542b053bcc914fcf5 (git) Affected: 5.8.6 , < 5.9 (semver) |
|
| Linux | Linux |
Affected:
5.9
Unaffected: 0 , < 5.9 (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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},
{
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"status": "unaffected",
"version": "6.18.33",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "7.0.10",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
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{
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"negate": false,
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],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio-wq: check that the predecessor is hashed in io_wq_remove_pending()\n\nio_wq_remove_pending() needs to fix up wq-\u003ehash_tail[] if the cancelled\nwork was the tail of its hash bucket. When doing this, it checks whether\nthe preceding entry in acct-\u003ework_list has the same hash value, but\nnever checks that the predecessor is hashed at all. io_get_work_hash()\nis simply atomic_read(\u0026work-\u003eflags) \u003e\u003e IO_WQ_HASH_SHIFT, and the hash\nbits are never set for non-hashed work, so it returns 0. Thus, when a\nhashed bucket-0 work is cancelled while a non-hashed work is its list\npredecessor, the check spuriously passes and a pointer to the non-hashed\nio_kiocb is stored in wq-\u003ehash_tail[0].\n\nBecause non-hashed work is dequeued via the fast path in\nio_get_next_work(), which never touches hash_tail[], the stale pointer\nis never cleared. Therefore, after the non-hashed io_kiocb completes and\nis freed back to req_cachep, wq-\u003ehash_tail[0] is a dangling pointer. The\nio_wq is per-task (tctx-\u003eio_wq) and survives ring open/close, so the\ndangling pointer persists for the lifetime of the task; the next hashed\nbucket-0 enqueue dereferences it in io_wq_insert_work() and\nwq_list_add_after() writes through freed memory.\n\nAdd the missing io_wq_is_hashed() check so a non-hashed predecessor\nnever inherits a hash_tail[] slot."
}
],
"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"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-14T18:05:34.336Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/d6bda9df0c0a3080804181464d5c0f4d78a4e769"
},
{
"url": "https://git.kernel.org/stable/c/5a20ebf0c81b61f5ea3b1b529c100cad69b9f603"
},
{
"url": "https://git.kernel.org/stable/c/252c5051dba9c709b6a72f2866f93e5e618b3f06"
},
{
"url": "https://git.kernel.org/stable/c/d376c131af7c7739a87ff037ed2fdb67c2542c8a"
},
{
"url": "https://git.kernel.org/stable/c/d6a2d7b04b5a093021a7a0e2e69e9d5237dfa8cc"
}
],
"title": "io-wq: check that the predecessor is hashed in io_wq_remove_pending()",
"x_generator": {
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"assignerShortName": "Linux",
"cveId": "CVE-2026-46274",
"datePublished": "2026-06-08T14:30:53.323Z",
"dateReserved": "2026-05-13T15:03:33.109Z",
"dateUpdated": "2026-06-14T18:05:34.336Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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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