CVE-2024-50143: udf: fix uninit-value use in udf_get_fileshortad
First published: Thu Nov 07 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: udf: fix uninit-value use in udf_get_fileshortad Check for overflow when computing alen in udf_current_aext to mitigate later uninit-value use in udf_get_fileshortad KMSAN bug[1]. After applying the patch reproducer did not trigger any issue[2]. [1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df [2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <4.19.323 | |
| Linux Linux kernel | >=4.20<5.4.285 | |
| Linux Linux kernel | >=5.5<5.15.170 | |
| Linux Linux kernel | >=5.16<6.1.115 | |
| Linux Linux kernel | >=6.2<6.6.59 | |
| Linux Linux kernel | >=6.7<6.11.6 | |
| Linux Linux kernel | =6.12-rc1 |
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Reference Links
- https://git.kernel.org/stable/c/4fc0d8660e391dcd8dde23c44d702be1f6846c61
- https://git.kernel.org/stable/c/72e445df65a0aa9066c6fe2b8736ba2fcca6dac7
- https://git.kernel.org/stable/c/1ac49babc952f48d82676979b20885e480e69be8
- https://git.kernel.org/stable/c/e52e0b92ed31dc62afbda15c243dcee0bb5bb58d
- https://git.kernel.org/stable/c/264db9d666ad9a35075cc9ed9ec09d021580fbb1
- https://git.kernel.org/stable/c/417bd613bdbe791549f7687bb1b9b8012ff111c2
- https://git.kernel.org/stable/c/5eb76fb98b3335aa5cca6a7db2e659561c79c32b
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- version/linux linux kernel/6.12-rc1