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CVE-2026-74571 btrfs: skip global block reserve accounting for rescue mounts

🗓️ 15 Aug 2026 12:28:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

NULL pointer dereference in btrfs global block reserve accounting during rescue=ibadroots mount.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-74571
15 Aug 202612:28
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
–astralinux
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
15 Aug 202600:00
–cnnvd
cve
CVE
CVE-2026-74571
15 Aug 202612:28
–cve
debian
Debian
[SECURITY] [DSA 6602-1] linux security update
2 Nov 202616:13
–debian
debiancve
Debian CVE
CVE-2026-74571
15 Aug 202612:28
–debiancve
euvd
EUVD
EUVD-2026-59636
15 Aug 202612:28
–euvd
mscve
Microsoft CVE
btrfs: skip global block reserve accounting for rescue mounts
23 Sep 202608:57
–mscve
nvd
NVD
CVE-2026-74571
15 Aug 202613:18
–nvd
nessus
Tenable Nessus
openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21910-1)
25 Sep 202600:00
–nessus
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/block-rsv.c",
      "fs/btrfs/disk-io.c",
      "fs/btrfs/fs.h"
    ],
    "versions": [
      {
        "version": "cbec34d3021d47007a0334c634f7053dbaf93d02",
        "lessThan": "aa72cc4675240ab6b01ec72ac6a1fe832e715569",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8dbfc14fc736eb701089aff09645c3d4ad3decb1",
        "lessThan": "ca05d9abde2195cec3d07d0d4d65152d8171078f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8dbfc14fc736eb701089aff09645c3d4ad3decb1",
        "lessThan": "3a69fae2371a5ee190d4c4bbe5304a753558c1c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8dbfc14fc736eb701089aff09645c3d4ad3decb1",
        "lessThan": "969a96479add6bd42d7f7241f99f27b31571a953",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8dbfc14fc736eb701089aff09645c3d4ad3decb1",
        "lessThan": "076349e4c8d11f6b58c4549976a513b2b4dc6df2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8dbfc14fc736eb701089aff09645c3d4ad3decb1",
        "lessThan": "51a0e8399858621442807a26057bcd1cd3ced046",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e8087589b5cf6fa17adaf57b64cf1656d77dfec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.43",
        "lessThan": "6.1.191",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.4.8",
        "lessThan": "6.5",
        "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/btrfs/block-rsv.c",
      "fs/btrfs/disk-io.c",
      "fs/btrfs/fs.h"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.191",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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