CVE-2026-43393: Linux

Описание

Оригинално описание

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.

Засегнати продукти

• Linux Linux: 0ae653fbec2b9fbc72c65a0c99528990bfb2136d преди 0e4aaf5a3212b6a469c2489637c29a8e2a5062a5; 0ae653fbec2b9fbc72c65a0c99528990bfb2136d преди 7bdf00ed75c477252578068dba19934cd825f20a; 0ae653fbec2b9fbc72c65a0c99528990bfb2136d преди 4f90c5c2698383984102401b1724b0b67da832ab; 0ae653fbec2b9fbc72c65a0c99528990bfb2136d преди f15fb3d41543244d1179f423da4a4832a55bc050
• Linux Linux: 6.12; преди 6.12; 6.12.78 до 6.12.*; 6.18.19 до 6.18.*; 6.19.9 до 6.19.*; от 7.0 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-43393
• https://nvd.nist.gov/vuln/detail/CVE-2026-43393
• https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
• https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a
• https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab
• https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050