5.5

CVE-2024-44938

jfs: Fix shift-out-of-bounds in dbDiscardAG

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.6.47
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.128
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/234e6ea0855cdb5673d54ecaf7dc5c78f3e84630
Patch
https://git.kernel.org/stable/c/7063b80268e2593e58bee8a8d709c2f3ff93e2f2
Patch
https://git.kernel.org/stable/c/bd04a149e3a29e7f71b7956ed41dba34e42d539e
Issue Tracking
https://git.kernel.org/stable/c/f650148b43949ca9e37e820804bb6026fff404f3
Patch
https://git.kernel.org/stable/c/4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9
https://git.kernel.org/stable/c/bb7c605a754823b86dd74f6537ccb9d38a9dec5a
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html