CVE-2024-43857 f2fs: fix null reference error when checking end of zone

2024-08-1709:24:27

Linux

www.cve.org

f2fs

end of zone

linux kernel

vulnerability

null reference error

fix

cve-2024-43857

EPSS

Percentile

9.5%

JSON

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix null reference error when checking end of zone

This patch fixes a potentially null pointer being accessed by
is_end_zone_blkaddr() that checks the last block of a zone
when f2fs is mounted as a single device.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/data.c"
    ],
    "versions": [
      {
        "version": "e067dc3c6b9c",
        "lessThan": "381cbe85592c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e067dc3c6b9c",
        "lessThan": "c82bc1ab2a8a",
        "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/f2fs/data.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.3",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]