CVE-2025-71268
btrfs: fix reservation leak in some error paths when inserting inline extent
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/f7156512c8166d385f574b9ec030479aa7b1e8c9
- https://git.kernel.org/stable/c/28b97fcbbf523779688e8de5fe55bf2dae3859f6
- https://git.kernel.org/stable/c/f3ee1732851aec6fe6b2cec2ef1b32d4e71d9913
- https://git.kernel.org/stable/c/28768bd3abf9995a93f6e01bfce01c60622964dd
- https://git.kernel.org/stable/c/c1c050f92d8f6aac4e17f7f2230160794fceef0c
References (5)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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