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Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-08 | Updated 2026-05-08 | Assigner Linux

Product status

Default status
unaffected

0ae653fbec2b9fbc72c65a0c99528990bfb2136d (git) before 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
affected

0ae653fbec2b9fbc72c65a0c99528990bfb2136d (git) before 7bdf00ed75c477252578068dba19934cd825f20a
affected

0ae653fbec2b9fbc72c65a0c99528990bfb2136d (git) before 4f90c5c2698383984102401b1724b0b67da832ab
affected

0ae653fbec2b9fbc72c65a0c99528990bfb2136d (git) before f15fb3d41543244d1179f423da4a4832a55bc050
affected

Default status
affected

6.12
affected

Any version before 6.12
unaffected

6.12.78 (semver)
unaffected

6.18.19 (semver)
unaffected

6.19.9 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5

git.kernel.org/...c/7bdf00ed75c477252578068dba19934cd825f20a

git.kernel.org/...c/4f90c5c2698383984102401b1724b0b67da832ab

git.kernel.org/...c/f15fb3d41543244d1179f423da4a4832a55bc050

cve.org (CVE-2026-43393)

nvd.nist.gov (CVE-2026-43393)

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