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Back to active CVEs
High · CVSS 7.8CVE-2024-46751

btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()CVE-2024-46751

Answer in brief

CVE-2024-46751 records a High severity (CVSS 7.8) vulnerability in btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 18, 2024Updated Aug 5, 2026Source checked Nov 5, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <9c309d2434abbe880712af7e60da9ead8b6703fe || >=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <d64807ded1b6054f066e03d8add6d920f3db9e5d || >=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <18eb53a2734ff61b9a72c4fef5db7b38cb48ae16 || >=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <3cfec712a439c5c5f5c718c5c669ee41a898f776 || >=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <ef9a8b73c8b60b27d9db4787e624a3438ffe8428 || >=5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0 <28cb13f29faf6290597b24b728dc3100c019356f9c309d2434abbe880712af7e60da9ead8b6703fe, d64807ded1b6054f066e03d8add6d920f3db9e5d, 18eb53a2734ff61b9a72c4fef5db7b38cb48ae16, 3cfec712a439c5c5f5c718c5c669ee41a898f776, ef9a8b73c8b60b27d9db4787e624a3438ffe8428, 28cb13f29faf6290597b24b728dc3100c019356f
Linux/Linuxgeneric2.6.31Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 9c309d2434abbe880712af7e60da9ead8b6703fe if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 18, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info() Instead of doing a BUG_ON() handle the error by returning -EUCLEAN, aborting the transaction and logging an error message.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
8 linked sources
Open source record