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CVE-2026-89767 ovl: fix double end_creating() on the casefold-mismatch path

🗓️ 11 Sep 2026 19:47:07Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Double end_creating() in overlayfs casefold-mismatch path causing unprivileged DoS in Linux kernel.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89767
13 Sep 202610:00
–circl
cve
CVE
CVE-2026-89767
11 Sep 202619:47
–cve
debiancve
Debian CVE
CVE-2026-89767
11 Sep 202619:47
–debiancve
euvd
EUVD
EUVD-2026-76679
11 Sep 202619:47
–euvd
nvd
NVD
CVE-2026-89767
11 Sep 202620:20
–nvd
osv
OSV
BELL-CVE-2026-89767
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89767
11 Sep 202620:20
–osv
osv
OSV
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89767
11 Sep 202620:20
–osv
ptsecurity
Positive Technologies
PT-2026-90483
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": [
      "fs/overlayfs/dir.c"
    ],
    "versions": [
      {
        "version": "dfc7da402ccc92d6e4b01a4778a3f15f2496b9af",
        "lessThan": "2fa220bc0f84597cb6de665e5b5021c5901ddf00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dfc7da402ccc92d6e4b01a4778a3f15f2496b9af",
        "lessThan": "b1aa8ab78a8e87aee9e306971465408e059f839a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dfc7da402ccc92d6e4b01a4778a3f15f2496b9af",
        "lessThan": "077ab8985ee278c3d8618182d335b0f0cd919e16",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/overlayfs/dir.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "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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