CVE-2026-43393

btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()

State
Published
Severity
Not scored
Published
May 8, 2026
Updated
May 11, 2026
Reserved
May 1, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to before 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5Affected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to before 7bdf00ed75c477252578068dba19934cd825f20aAffected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to before 4f90c5c2698383984102401b1724b0b67da832abAffected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to before f15fb3d41543244d1179f423da4a4832a55bc050Affected
LinuxLinux
  • 6.12Affected
  • before 6.12Not affected
  • 6.12.78 through 6.12.*Not affected
  • 6.18.19 through 6.18.*Not affected
  • 6.19.9 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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