CVE-2024-44938
jfs: Fix shift-out-of-bounds in dbDiscardAG
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 26, 2024 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
b40c2e665cd552eae5fbdbb878bc29a34357668e < bb7c605a754823b86dd74f6537ccb9d38a9dec5a b40c2e665cd552eae5fbdbb878bc29a34357668e < 4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9 b40c2e665cd552eae5fbdbb878bc29a34357668e < bd04a149e3a29e7f71b7956ed41dba34e42d539e b40c2e665cd552eae5fbdbb878bc29a34357668e < f650148b43949ca9e37e820804bb6026fff404f3 b40c2e665cd552eae5fbdbb878bc29a34357668e < 234e6ea0855cdb5673d54ecaf7dc5c78f3e84630 b40c2e665cd552eae5fbdbb878bc29a34357668e < 7063b80268e2593e58bee8a8d709c2f3ff93e2f2
Linux / Linux
3.7
References
git.kernel.org: https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a git.kernel.org: https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9 git.kernel.org: https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e git.kernel.org: https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3 git.kernel.org: https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630 git.kernel.org: https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html