Description
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uninit-value access of new_ea in ea_buffer syzbot reports that lzo1x_1_do_compress is using uninit-value: ===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit was stored to memory at: ea_put fs/jfs/xattr.c:639 [inline] ... Local variable ea_buf created at: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ===================================================== The reason is ea_buf->new_ea is not initialized properly. Fix this by using memset to empty its content at the beginning in ea_get().
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
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 7b24d41d47a6805c45378debf8bd115675d41da8affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < dac398ed272a378d2f42ac68ae408333a51baf52affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 8b1dcf25c26d42e4a68c4725ce52a0543c7878ccaffected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < d7444f91a9f93eaa48827087ed0f3381c194181daffected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 6041536d18c5f51a84bc37cd568cbab61870031eaffected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < c076b3746224982eebdba5c9e4b1467e146c0d64affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 7c244d5b48284a770d96ff703df2dfeadf804a73affected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 8ad8b531de79c348bcb8133e7f5e827b884226afaffected1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 2b59ffad47db1c46af25ccad157bb3b25147c35caffected
Linux Linux
Default version status: affected
2.6.12affected0 to < 2.6.12unaffected4.19.323 to ≤ 4.19.*unaffected5.4.285 to ≤ 5.4.*unaffected5.10.227 to ≤ 5.10.*unaffected5.15.168 to ≤ 5.15.*unaffected6.1.113 to ≤ 6.1.*unaffected6.6.55 to ≤ 6.6.*unaffected6.10.14 to ≤ 6.10.*unaffected6.11.3 to ≤ 6.11.*unaffected6.12 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8 ↗
- https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52 ↗
- https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc ↗
- https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d ↗
- https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e ↗
- https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64 ↗
- https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73 ↗
- https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af ↗
- https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c ↗
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html ↗