medium5.5
CVE-2024-44938
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block,…
Impact
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exiting the loop directly when negative shift is found.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 6.6.47 from 6.7 before 6.10.6 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630
- https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9
- https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2
- https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a
- https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e
- https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html