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CVE-2026-89548 SUNRPC: always drain cache_cleaner before destroying a cache_detail

🗓️ 11 Sep 2026 19:44:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

SUNRPC use-after-free in Linux kernel when cache_cleaner not drained before cache_detail freed.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89548
11 Sep 202619:44
cve
debiancve
Debian CVE
CVE-2026-89548
11 Sep 202619:44
debiancve
euvd
EUVD
EUVD-2026-76459
11 Sep 202619:44
euvd
nvd
NVD
CVE-2026-89548
11 Sep 202620:19
nvd
osv
OSV
DEBIAN-CVE-2026-89548
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90264
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89548
11 Sep 202623:34
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sunrpc/cache.c"
    ],
    "versions": [
      {
        "version": "820f9442e711a81749e70c40f149fc54c4ce0ca8",
        "lessThan": "9d44836f60c8c29bcdb1471fd9202387c642a890",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "820f9442e711a81749e70c40f149fc54c4ce0ca8",
        "lessThan": "2e861ce2aaa468351a6a47c4cbb4971ebb740c7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "820f9442e711a81749e70c40f149fc54c4ce0ca8",
        "lessThan": "3d60fdf951143d6ef4e352e2f8eb852286701726",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "820f9442e711a81749e70c40f149fc54c4ce0ca8",
        "lessThan": "f42d0fda0c67695db6bc704b04b7c10240805377",
        "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/cache.c"
    ],
    "versions": [
      {
        "version": "3.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "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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