Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem". Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it.
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
da7141fb78db915680616e15677539fc8140cf53 to < b90beafac05931cbfcb6b1bd4f67c1923f47040eaffectedda7141fb78db915680616e15677539fc8140cf53 to < ba97ba173f9625d5f34a986088979eae8b80d38eaffectedda7141fb78db915680616e15677539fc8140cf53 to < 157c0d94b4c40887329418c70ef4edd1a8d6b4edaffectedda7141fb78db915680616e15677539fc8140cf53 to < b14e7260bb691d7f563f61da07d61e3c8b59a614affectedda7141fb78db915680616e15677539fc8140cf53 to < 19cfeba0e4b8eda51484fcf8cf7d150418e1d880affectedda7141fb78db915680616e15677539fc8140cf53 to < 8c6e43b3d5f109cf9c61bc188fcc8175404e924faffectedda7141fb78db915680616e15677539fc8140cf53 to < 962562d4c70c5cdeb4e955d63ff2017c4eca1aadaffectedda7141fb78db915680616e15677539fc8140cf53 to < 683408258917541bdb294cd717c210a04381931eaffected
Linux Linux
Default version status: affected
3.17affected0 to < 3.17unaffected4.19.322 to ≤ 4.19.*unaffected5.4.284 to ≤ 5.4.*unaffected5.10.226 to ≤ 5.10.*unaffected5.15.167 to ≤ 5.15.*unaffected6.1.110 to ≤ 6.1.*unaffected6.6.51 to ≤ 6.6.*unaffected6.10.10 to ≤ 6.10.*unaffected6.11 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e ↗
- https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e ↗
- https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed ↗
- https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614 ↗
- https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880 ↗
- https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f ↗
- https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad ↗
- https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html ↗
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html ↗