Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle inconsistent state in nilfs_btnode_create_block() Syzbot reported that a buffer state inconsistency was detected in nilfs_btnode_create_block(), triggering a kernel bug. It is not appropriate to treat this inconsistency as a bug; it can occur if the argument block address (the buffer index of the newly created block) is a virtual block number and has been reallocated due to corruption of the bitmap used to manage its allocation state. So, modify nilfs_btnode_create_block() and its callers to treat it as a possible filesystem error, rather than triggering a kernel bug.
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
a60be987d45dd510aeb54389526f9957cfab106c to < 19cce46238ffe3546e44b9c74057103ff8b24c62affecteda60be987d45dd510aeb54389526f9957cfab106c to < 02b87e6334a38c65eef49848d3f1ac422f0b2a44affecteda60be987d45dd510aeb54389526f9957cfab106c to < 5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52eaffecteda60be987d45dd510aeb54389526f9957cfab106c to < e34191cce3ee63dfa5fb241904aaf2a042d5b6d8affecteda60be987d45dd510aeb54389526f9957cfab106c to < 012be828a118bf496e666ef1fc47fc0e7358ada2affecteda60be987d45dd510aeb54389526f9957cfab106c to < be56dfc9be0604291267c07b0e27a69a6bda4899affecteda60be987d45dd510aeb54389526f9957cfab106c to < 366c3f688dd0288cbe38af1d3a886b5c62372e4aaffecteda60be987d45dd510aeb54389526f9957cfab106c to < 4811f7af6090e8f5a398fbdd766f903ef6c0d787affected
Linux Linux
Default version status: affected
2.6.30affected0 to < 2.6.30unaffected4.19.320 to ≤ 4.19.*unaffected5.4.282 to ≤ 5.4.*unaffected5.10.224 to ≤ 5.10.*unaffected5.15.165 to ≤ 5.15.*unaffected6.1.103 to ≤ 6.1.*unaffected6.6.44 to ≤ 6.6.*unaffected6.10.3 to ≤ 6.10.*unaffected6.11 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/19cce46238ffe3546e44b9c74057103ff8b24c62 ↗
- https://git.kernel.org/stable/c/02b87e6334a38c65eef49848d3f1ac422f0b2a44 ↗
- https://git.kernel.org/stable/c/5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52e ↗
- https://git.kernel.org/stable/c/e34191cce3ee63dfa5fb241904aaf2a042d5b6d8 ↗
- https://git.kernel.org/stable/c/012be828a118bf496e666ef1fc47fc0e7358ada2 ↗
- https://git.kernel.org/stable/c/be56dfc9be0604291267c07b0e27a69a6bda4899 ↗
- https://git.kernel.org/stable/c/366c3f688dd0288cbe38af1d3a886b5c62372e4a ↗
- https://git.kernel.org/stable/c/4811f7af6090e8f5a398fbdd766f903ef6c0d787 ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html ↗
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html ↗