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CVE-2023-53503 ext4: allow ext4_get_group_info() to fail

🗓️ 01 Oct 2025 11:45:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Ext4 get_group_info now returns NULL and logs an error instead of BUG on invalid groups.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/balloc.c",
      "fs/ext4/ext4.h",
      "fs/ext4/ialloc.c",
      "fs/ext4/mballoc.c",
      "fs/ext4/super.c"
    ],
    "versions": [
      {
        "version": "2f2e09eb15849562aede80ed007658e4504ded26",
        "lessThan": "100c0ad6c04597fefeaaba2bb1827cc015d95067",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f2e09eb15849562aede80ed007658e4504ded26",
        "lessThan": "620a3c28221bb219b81bc0bffd065cc187494302",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f2e09eb15849562aede80ed007658e4504ded26",
        "lessThan": "b4319e457d6e3fb33e443efeaf4634fc36e8a9ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f2e09eb15849562aede80ed007658e4504ded26",
        "lessThan": "31668cebf45adfb6283e465e641c4f5a21b07afa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f2e09eb15849562aede80ed007658e4504ded26",
        "lessThan": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
        "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/ext4/balloc.c",
      "fs/ext4/ext4.h",
      "fs/ext4/ialloc.c",
      "fs/ext4/mballoc.c",
      "fs/ext4/super.c"
    ],
    "versions": [
      {
        "version": "3.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.181",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.113",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.30",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.4",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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