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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 02 May 2025 06:30:00 +0000


Wed, 06 Nov 2024 02:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-682

Thu, 12 Sep 2024 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-787
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Wed, 11 Sep 2024 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 Aug 2024 16:45:00 +0000


Tue, 27 Aug 2024 15:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate


Mon, 26 Aug 2024 11:30:00 +0000

Type Values Removed Values Added
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.
Title jfs: Fix shift-out-of-bounds in dbDiscardAG
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-21T09:13:08.507Z

Reserved: 2024-08-21T05:34:56.664Z

Link: CVE-2024-44938

cve-icon Vulnrichment

Updated: 2024-09-11T12:42:12.244Z

cve-icon NVD

Status : Modified

Published: 2024-08-26T12:15:05.960

Modified: 2025-05-02T07:15:54.917

Link: CVE-2024-44938

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-08-26T00:00:00Z

Links: CVE-2024-44938 - Bugzilla

cve-icon OpenCVE Enrichment

No data.