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CVE-2026-23181 btrfs: sync read disk super and set block size

🗓️ 14 Feb 2026 16:27:12Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

CVE-2026-23181: btrfs read cache may misalign folio order after block size change and trigger a null dereference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23181
14 Feb 202616:27
attackerkb
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
Circl
CVE-2026-23181
19 Mar 202600:00
circl
CNNVD
Linux kernel 安全漏洞
14 Feb 202600:00
cnnvd
CVE
CVE-2026-23181
14 Feb 202616:27
cve
Debian CVE
CVE-2026-23181
14 Feb 202616:27
debiancve
NVD
CVE-2026-23181
14 Feb 202617:15
nvd
OSV
BELL-CVE-2026-23181 CVE-2026-23181 does not affect BellSoft software
19 Feb 202606:09
osv
OSV
CVE-2026-23181 btrfs: sync read disk super and set block size
14 Feb 202616:27
osv
OSV
DEBIAN-CVE-2026-23181
14 Feb 202617:15
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/volumes.c"
    ],
    "versions": [
      {
        "version": "3c20917120ce61f2a123ca0810293872f4c6b5a4",
        "lessThan": "ccb3c75d57039adb3170ae54a0d470e359705984",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3c20917120ce61f2a123ca0810293872f4c6b5a4",
        "lessThan": "3f29d661e5686f3aa14e6f11537ff5c49846f2e2",
        "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/volumes.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.10",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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