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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-43393

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to < 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5affected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to < 7bdf00ed75c477252578068dba19934cd825f20aaffected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to < 4f90c5c2698383984102401b1724b0b67da832abaffected
  • 0ae653fbec2b9fbc72c65a0c99528990bfb2136d to < f15fb3d41543244d1179f423da4a4832a55bc050affected

Linux Linux

Default version status: affected

  • 6.12affected
  • 0 to < 6.12unaffected
  • 6.12.78 to ≤ 6.12.*unaffected
  • 6.18.19 to ≤ 6.18.*unaffected
  • 6.19.9 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References