CVE-2024-44938

Source
https://cve.org/CVERecord?id=CVE-2024-44938
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-44938.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-44938
Downstream
Related
Published
2024-08-26T11:20:43.340Z
Modified
2026-03-11T07:49:28.049176224Z
Summary
jfs: Fix shift-out-of-bounds in dbDiscardAG
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44938.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
b40c2e665cd552eae5fbdbb878bc29a34357668e
Fixed
bb7c605a754823b86dd74f6537ccb9d38a9dec5a
Fixed
4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9
Fixed
bd04a149e3a29e7f71b7956ed41dba34e42d539e
Fixed
f650148b43949ca9e37e820804bb6026fff404f3
Fixed
234e6ea0855cdb5673d54ecaf7dc5c78f3e84630
Fixed
7063b80268e2593e58bee8a8d709c2f3ff93e2f2

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-44938.json"