CVE-2026-43393

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux0ae653fbec2b9fbc72c65a0c99528990bfb2136d < 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5affected
LinuxLinux0ae653fbec2b9fbc72c65a0c99528990bfb2136d < 7bdf00ed75c477252578068dba19934cd825f20aaffected
LinuxLinux0ae653fbec2b9fbc72c65a0c99528990bfb2136d < 4f90c5c2698383984102401b1724b0b67da832abaffected
LinuxLinux0ae653fbec2b9fbc72c65a0c99528990bfb2136d < f15fb3d41543244d1179f423da4a4832a55bc050affected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux6.12.78 <= 6.12.*unaffected
LinuxLinux6.18.19 <= 6.18.*unaffected
LinuxLinux6.19.9 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References