CVE-2024-46753 btrfs: handle errors from btrfs_dec_ref() properly

2024-09-1807:12:12

Linux

www.cve.org

linux kernel

btrfs

vulnerability

EPSS

Percentile

9.6%

JSON

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

btrfs: handle errors from btrfs_dec_ref() properly

In walk_up_proc() we BUG_ON(ret) from btrfs_dec_ref(). This is
incorrect, we have proper error handling here, return the error.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/extent-tree.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "a7f16a7a7098",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "5eb178f373b4",
        "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/btrfs/extent-tree.c"
    ],
    "versions": [
      {
        "version": "6.10.10",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]