Bug 2320473 (CVE-2024-49965)

Summary: CVE-2024-49965 kernel: ocfs2: remove unreasonable unlock in ocfs2_read_blocks
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2320797    
Bug Blocks:    

Description OSIDB Bzimport 2024-10-21 19:04:21 UTC
In the Linux kernel, the following vulnerability has been resolved:

ocfs2: remove unreasonable unlock in ocfs2_read_blocks

Patch series "Misc fixes for ocfs2_read_blocks", v5.

This series contains 2 fixes for ocfs2_read_blocks().  The first patch fix
the issue reported by syzbot, which detects bad unlock balance in
ocfs2_read_blocks().  The second patch fixes an issue reported by Heming
Zhao when reviewing above fix.


This patch (of 2):

There was a lock release before exiting, so remove the unreasonable unlock.