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CVE-2025-71184 btrfs: fix NULL dereference on root when tracing inode eviction

🗓️ 31 Jan 2026 11:38:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Fix NULL dereference in btrfs inode eviction; set root_objectid to zero when root is NULL.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/trace/events/btrfs.h"
    ],
    "versions": [
      {
        "version": "1abe9b8a138c9988ba8f7bfded6453649a31541f",
        "lessThan": "64d8abd8c5305795a2b35fc96039d99d34f5e762",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1abe9b8a138c9988ba8f7bfded6453649a31541f",
        "lessThan": "582ba48e4a4c06fef6bdcf4e57b7b9af660bbd0c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1abe9b8a138c9988ba8f7bfded6453649a31541f",
        "lessThan": "99e057f3d3ef24b99a7b1d84e01dd1bd890098da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1abe9b8a138c9988ba8f7bfded6453649a31541f",
        "lessThan": "f157dd661339fc6f5f2b574fe2429c43bd309534",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/trace/events/btrfs.h"
    ],
    "versions": [
      {
        "version": "2.6.39",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.39",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.66",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.6",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:56Current
EPSS0.00118
31