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CVE-2026-89772

🗓️ 11 Sep 2026 19:47:11Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 34 Views

btrfs writeback fails to write-protect folios, allowing concurrent mmap writes to corrupt data.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89772 btrfs: write-protect folios during data writeback
11 Sep 202619:47
–cvelist
debiancve
Debian CVE
CVE-2026-89772
11 Sep 202619:47
–debiancve
euvd
EUVD
EUVD-2026-76684
11 Sep 202619:47
–euvd
nvd
NVD
CVE-2026-89772
11 Sep 202620:20
–nvd
osv
OSV
BELL-CVE-2026-89772
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89772
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-2026-89772
11 Sep 202620:20
–osv
ptsecurity
Positive Technologies
PT-2026-90488
11 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-89772: Undefined Security Weakness
11 Sep 202600:00
–rapid7
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.13–7.2.4
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/extent_io.c",
      "fs/btrfs/extent_io.h",
      "fs/btrfs/inode.c"
    ],
    "versions": [
      {
        "version": "a4ef54dbb576032ba31a646a5ffc8a26a83cb92c",
        "lessThan": "074c715e0b498891c09fe7f11e1cd9d7a04699bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a4ef54dbb576032ba31a646a5ffc8a26a83cb92c",
        "lessThan": "5376c9db45368eb210b4d71104ac00a59dc8b6e0",
        "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/btrfs/extent_io.c",
      "fs/btrfs/extent_io.h",
      "fs/btrfs/inode.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "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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11 Sep 2026 20:20Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00198
34