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.
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-44938?
The severity of CVE-2024-44938 is categorized as moderate.
How do I fix CVE-2024-44938?
To fix CVE-2024-44938, update your Linux kernel to a version that includes the patch for this vulnerability.
What versions of the Linux kernel are affected by CVE-2024-44938?
CVE-2024-44938 affects Linux kernel versions prior to 6.6.47 and between 6.7 and 6.10.6.
Is CVE-2024-44938 remote exploitable?
CVE-2024-44938 is not considered remote exploitable as it requires local access.
What are the potential impacts of exploiting CVE-2024-44938?
Exploiting CVE-2024-44938 could lead to a local denial-of-service condition due to a crash.