CVE-2024-27035 f2fs: compress: fix to guarantee persisting compressed blocks by CP

2024-05-0112:53:43

Linux

www.cve.org

linux

kernel

vulnerability

fix

f2fs

compression

persisting

compressed blocks

checkpoint

metadata

corruption

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

f2fs: compress: fix to guarantee persisting compressed blocks by CP

If data block in compressed cluster is not persisted with metadata
during checkpoint, after SPOR, the data may be corrupted, let’s
guarantee to write compressed page by checkpoint.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/compress.c",
      "fs/f2fs/data.c",
      "fs/f2fs/f2fs.h"
    ],
    "versions": [
      {
        "version": "4c8ff7095bef",
        "lessThan": "e54cce813725",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c8ff7095bef",
        "lessThan": "82704e598d7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c8ff7095bef",
        "lessThan": "c3311694b9bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c8ff7095bef",
        "lessThan": "57e8b17d0522",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4c8ff7095bef",
        "lessThan": "8a430dd49e9c",
        "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/compress.c",
      "fs/f2fs/data.c",
      "fs/f2fs/f2fs.h"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.83",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.23",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.11",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.2",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]