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CVE-2026-89545 sunrpc: defer rq_argp and rq_resp free until after RCU grace period

🗓️ 11 Sep 2026 19:44:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Use-after-free in Linux kernel sunrpc where rq_argp and rq_resp freed before RCU grace period.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89545
1 Oct 202618:00
–circl
cve
CVE
CVE-2026-89545
11 Sep 202619:44
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89545
11 Sep 202619:44
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89545
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76456
11 Sep 202619:44
–euvd
mscve
Microsoft CVE
sunrpc: defer rq_argp and rq_resp free until after RCU grace period
13 Sep 202608:10
–mscve
nvd
NVD
CVE-2026-89545
11 Sep 202620:19
–nvd
osv
OSV
AZL-100280 CVE-2026-89545 affecting package kernel 6.6.157.1-1
11 Sep 202620:19
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sunrpc/svc.c"
    ],
    "versions": [
      {
        "version": "812443865c5fc255363d4a684a62c086af1addca",
        "lessThan": "0ea49d69aa806008b2424c8cf21cf746b9963967",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "812443865c5fc255363d4a684a62c086af1addca",
        "lessThan": "08bc49e0541260bf294962cf889a32a2d2713ad6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "812443865c5fc255363d4a684a62c086af1addca",
        "lessThan": "e0c5693d3f9a5d4911735ab0e0eba4eecb1f1090",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "812443865c5fc255363d4a684a62c086af1addca",
        "lessThan": "c479bde671cbe2f9e152834a8b0eb7c3c295bbaf",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sunrpc/svc.c"
    ],
    "versions": [
      {
        "version": "3.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Sep 2026 13:14Current
CVSS 3.17.8
EPSS0.0017
33