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CVE-2026-80926 ksmbd: fix use-after-free in oplock break notification

🗓️ 11 Sep 2026 19:37:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Use-after-free in Linux kernel ksmbd oplock break notification via stale conn reference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.12
8 May 202609:09
–astralinux
circl
Circl
CVE-2026-80926
11 Sep 202619:57
–circl
cve
CVE
CVE-2026-80926
11 Sep 202619:37
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-80926
11 Sep 202619:37
–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-2026-80926
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76248
11 Sep 202619:37
–euvd
mscve
Microsoft CVE
ksmbd: fix use-after-free in oplock break notification
13 Sep 202608:05
–mscve
nvd
NVD
CVE-2026-80926
11 Sep 202620:18
–nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/oplock.c"
    ],
    "versions": [
      {
        "version": "945a86b21b40fb17183f5b27461baa6f03e2467f",
        "lessThan": "892f643b141aee3f7aa7c0fc61ddcb55c59f1996",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1ff58dcfcab434ebb51649da33774fbb8e1f7b67",
        "lessThan": "5de0527f782430b1109a447646e32033ad018a6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e735dbd489e3ea02be78dba991056fe1138be51e",
        "lessThan": "c8279ae8df68cce9cd3b785e85f7a86c80a46e78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b003086d76968298f22e7cf62239833b5a3a06b1",
        "lessThan": "8cc98db4fc590e6c7d9db6529320982ee16c5d1d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b003086d76968298f22e7cf62239833b5a3a06b1",
        "lessThan": "0e753899627b5e28a9fea8bca98262a6f65a2452",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75e33deda658c1ab3a9336cbdb1436536f9b3660",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.143",
        "lessThan": "6.6.158",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThan": "6.12.111",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThan": "6.18.51",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThan": "7.1",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/oplock.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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