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CVE-2026-80961 dm-pcache: validate kset key_num and intra-segment bounds

🗓️ 11 Sep 2026 19:42:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Out-of-bounds read in Linux dm-pcache via unvalidated kset key_num and key bounds leaks user memory.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80961
11 Sep 202619:42
–cve
debiancve
Debian CVE
CVE-2026-80961
11 Sep 202619:42
–debiancve
euvd
EUVD
EUVD-2026-76284
11 Sep 202619:42
–euvd
nvd
NVD
CVE-2026-80961
11 Sep 202620:19
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.6-1.1 on GA media (moderate)
20 Sep 202600:00
–opensuse
osv
OSV
BELL-CVE-2026-80961
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-80961
11 Sep 202620:19
–osv
osv
OSV
OPENSUSE-SU-2026:11805-1 kernel-devel-7.2.6-1.1 on GA media
17 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-80961
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90091
11 Sep 202600:00
–ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/dm-pcache/cache.h",
      "drivers/md/dm-pcache/cache_gc.c",
      "drivers/md/dm-pcache/cache_key.c",
      "drivers/md/dm-pcache/cache_writeback.c"
    ],
    "versions": [
      {
        "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
        "lessThan": "d8caf96040a06096276ab72f5e1e8547c014c564",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
        "lessThan": "5ac38f4b4862fad6e7270fde5c3356a822ce74ca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0",
        "lessThan": "f11deb032fd84081e7831cffcba895d893054a22",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/dm-pcache/cache.h",
      "drivers/md/dm-pcache/cache_gc.c",
      "drivers/md/dm-pcache/cache_key.c",
      "drivers/md/dm-pcache/cache_writeback.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "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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