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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.

PUBLISHED Reserved 2026-03-17 | Published 2026-03-18 | Updated 2026-03-19 | Assigner Linux

Product status

Default status
unaffected

94ed938aba557aa798acf496f09afb289b619fcd (git) before f7156512c8166d385f574b9ec030479aa7b1e8c9
affected

94ed938aba557aa798acf496f09afb289b619fcd (git) before 28b97fcbbf523779688e8de5fe55bf2dae3859f6
affected

94ed938aba557aa798acf496f09afb289b619fcd (git) before f3ee1732851aec6fe6b2cec2ef1b32d4e71d9913
affected

94ed938aba557aa798acf496f09afb289b619fcd (git) before 28768bd3abf9995a93f6e01bfce01c60622964dd
affected

94ed938aba557aa798acf496f09afb289b619fcd (git) before c1c050f92d8f6aac4e17f7f2230160794fceef0c
affected

Default status
affected

4.4
affected

Any version before 4.4
unaffected

6.1.163 (semver)
unaffected

6.6.124 (semver)
unaffected

6.12.70 (semver)
unaffected

6.18.10 (semver)
unaffected

6.19 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f7156512c8166d385f574b9ec030479aa7b1e8c9

git.kernel.org/...c/28b97fcbbf523779688e8de5fe55bf2dae3859f6

git.kernel.org/...c/f3ee1732851aec6fe6b2cec2ef1b32d4e71d9913

git.kernel.org/...c/28768bd3abf9995a93f6e01bfce01c60622964dd

git.kernel.org/...c/c1c050f92d8f6aac4e17f7f2230160794fceef0c

cve.org (CVE-2025-71268)

nvd.nist.gov (CVE-2025-71268)

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