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CVE-2024-44938

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CVE-2024-44938

Published: Aug 26, 2024

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
b40c2e665cd552eae5fbdbb878bc29a34357668e - < bb7c605a754823b86dd74f6537ccb9d38a9dec5a
affected
b40c2e665cd552eae5fbdbb878bc29a34357668e - < 4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9
affected
b40c2e665cd552eae5fbdbb878bc29a34357668e - < bd04a149e3a29e7f71b7956ed41dba34e42d539e
affected
b40c2e665cd552eae5fbdbb878bc29a34357668e - < f650148b43949ca9e37e820804bb6026fff404f3
affected
b40c2e665cd552eae5fbdbb878bc29a34357668e - < 234e6ea0855cdb5673d54ecaf7dc5c78f3e84630

+1 more versions

Linux

Linux

affected
3.7
unaffected
0 - < 3.7
unaffected
5.10.237 - <= 5.10.*
unaffected
5.15.181 - <= 5.15.*
unaffected
6.1.107 - <= 6.1.*

+3 more versions

References

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