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CVE-2026-43393

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 0ae653fbec2b9fbc72c65a0c99528990bfb2136d before 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5; affected 0ae653fbec2b9fbc72c65a0c99528990bfb2136d before 7bdf00ed75c477252578068dba19934cd825f20a; affected 0ae653fbec2b9fbc72c65a0c99528990bfb2136d before 4f90c5c2698383984102401b1724b0b67da832ab; affected 0ae653fbec2b9fbc72c65a0c99528990bfb2136d before f15fb3d41543244d1179f423da4a4832a55bc050
Linux / Linuxaffected 6.12; unaffected 0 before 6.12; unaffected 6.12.78 through 6.12.*; unaffected 6.18.19 through 6.18.*; unaffected 6.19.9 through 6.19.*; unaffected 7.0 through *

CWE

No CWE identifiers supplied.

References