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Back to active CVEs
High · CVSS 7.5CVE-2025-71268

btrfs: fix reservation leak in some error paths when inserting inline extentCVE-2025-71268

Answer in brief

CVE-2025-71268 records a High severity (CVSS 7.5) vulnerability in btrfs: fix reservation leak in some error paths when inserting inline extent. 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 Mar 18, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. 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>=94ed938aba557aa798acf496f09afb289b619fcd <f7156512c8166d385f574b9ec030479aa7b1e8c9 || >=94ed938aba557aa798acf496f09afb289b619fcd <28b97fcbbf523779688e8de5fe55bf2dae3859f6 || >=94ed938aba557aa798acf496f09afb289b619fcd <f3ee1732851aec6fe6b2cec2ef1b32d4e71d9913 || >=94ed938aba557aa798acf496f09afb289b619fcd <28768bd3abf9995a93f6e01bfce01c60622964dd || >=94ed938aba557aa798acf496f09afb289b619fcd <c1c050f92d8f6aac4e17f7f2230160794fceef0cf7156512c8166d385f574b9ec030479aa7b1e8c9, 28b97fcbbf523779688e8de5fe55bf2dae3859f6, f3ee1732851aec6fe6b2cec2ef1b32d4e71d9913, 28768bd3abf9995a93f6e01bfce01c60622964dd, c1c050f92d8f6aac4e17f7f2230160794fceef0c
Linux/Linuxgeneric4.4Not 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 f7156512c8166d385f574b9ec030479aa7b1e8c9 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Mar 18, 2026

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

  2. Source modified

    Oct 16, 2026

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

  3. First seen by HOL

    Oct 16, 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
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reservation leak in some error paths when inserting inline extent If we fail to allocate a path or join a transaction, we return from __cow_file_range_inline() without freeing the reserved qgroup data, resulting in a leak. Fix this by ensuring we call btrfs_qgroup_free_data() in such cases.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 16, 2026
References
5 linked sources
Open source record