Description
In the Linux kernel, the following vulnerability has been resolved: udf: Avoid using corrupted block bitmap buffer When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap will notice the bitmap buffer is already loaded and tries to allocate from the bitmap with mixed results (depending on the exact nature of the bitmap corruption). Fix the problem by using BH_verified bit to indicate whether the bitmap is valid or not.
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
7648ea9896b31aff38830d81188f5b7a1773e4a8 to < cae9e59cc41683408b70b9ab569f8654866ba914affected4ac54312f623c6d2ca30c36c1ef530c11f5aff64 to < 2199e157a465aaf98294d3932797ecd7fce942d5affected099bf90d7fc4622da9fd4727f6d318a0f12d10be to < 6a43e3c210df6c5f00570f4be49a897677dbcb64affected6ac8f2c8362afd2baa8e7b9c946597589e587d22 to < 271cab2ca00652bc984e269cf1208699a1e09cddaffected1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d to < 57053b3bcf3403b80db6f65aba284d7dfe7326afaffected1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d to < 8ca170c39eca7cad6e0cfeb24e351d8f8eddcd65affected1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d to < a90d4471146de21745980cba51ce88e7926bcc4faffectedf862a9049c3f6e73a5504a1ac10ffd5bc253ab55affected4622cc1b6d86013e01c56b60b092b5e4726c8e52affected5.4.257 to < 5.4.282affected5.10.195 to < 5.10.224affected5.15.132 to < 5.15.165affected6.1.53 to < 6.1.103affected4.14.326 to < 4.15affected4.19.295 to < 4.20affected
Linux Linux
Default version status: affected
6.3affected0 to < 6.3unaffected5.4.282 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/cae9e59cc41683408b70b9ab569f8654866ba914 ↗
- https://git.kernel.org/stable/c/2199e157a465aaf98294d3932797ecd7fce942d5 ↗
- https://git.kernel.org/stable/c/6a43e3c210df6c5f00570f4be49a897677dbcb64 ↗
- https://git.kernel.org/stable/c/271cab2ca00652bc984e269cf1208699a1e09cdd ↗
- https://git.kernel.org/stable/c/57053b3bcf3403b80db6f65aba284d7dfe7326af ↗
- https://git.kernel.org/stable/c/8ca170c39eca7cad6e0cfeb24e351d8f8eddcd65 ↗
- https://git.kernel.org/stable/c/a90d4471146de21745980cba51ce88e7926bcc4f ↗
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html ↗
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html ↗