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Back to active CVEs
High · CVSS 7.8CVE-2024-50087

btrfs: fix uninitialized pointer free on read_alloc_one_name() errorCVE-2024-50087

Answer in brief

CVE-2024-50087 records a High severity (CVSS 7.8) vulnerability in btrfs: fix uninitialized pointer free on read_alloc_one_name() error. 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 Oct 29, 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>=1cf474cd474bc5d3ef63086ffd009a87a5b7bb2e <b37de9491f140a0ff125c27dd1050185c3accbc1 || >=e43eec81c5167b655b72c781b0e75e62a05e415e <7fc7c47b9ba0cf2d192f2117a64b24881b0b577f || >=e43eec81c5167b655b72c781b0e75e62a05e415e <1ec28de5e476913ae51f909660b4447eddb28838 || >=e43eec81c5167b655b72c781b0e75e62a05e415e <2ab5e243c2266c841e0f6904fad1514b18eaf510 || >=6.1.57 <6.1.114b37de9491f140a0ff125c27dd1050185c3accbc1, 7fc7c47b9ba0cf2d192f2117a64b24881b0b577f, 1ec28de5e476913ae51f909660b4447eddb28838, 2ab5e243c2266c841e0f6904fad1514b18eaf510, 6.1.114
Linux/Linuxgeneric6.2Not 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 b37de9491f140a0ff125c27dd1050185c3accbc1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 29, 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 referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error The function read_alloc_one_name() does not initialize the name field of the passed fscrypt_str struct if kmalloc fails to allocate the corresponding buffer. Thus, it is not guaranteed that fscrypt_str.name is initialized when freeing it. This is a follow-up to the linked patch that fixes the remaining instances of the bug introduced by commit e43eec81c516 ("btrfs: use struct qstr instead of name and namelen pairs").

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-824
Source
CVE List V5
Source checked
Nov 5, 2026
References
5 linked sources
Open source record