Bug 1225856 (CVE-2024-36947) - VUL-0: CVE-2024-36947: kernel: qibfs: fix dentry leak
Summary: VUL-0: CVE-2024-36947: kernel: qibfs: fix dentry leak
Status: RESOLVED FIXED
Alias: CVE-2024-36947
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Minor
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/408219/
Whiteboard: CVSSv3.1:SUSE:CVE-2024-36947:3.3:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2024-06-03 14:55 UTC by SMASH SMASH
Modified: 2024-06-07 19:55 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description SMASH SMASH 2024-06-03 14:55:47 UTC
In the Linux kernel, the following vulnerability has been resolved:

qibfs: fix dentry leak

simple_recursive_removal() drops the pinning references to all positives
in subtree.  For the cases when its argument has been kept alive by
the pinning alone that's exactly the right thing to do, but here
the argument comes from dcache lookup, that needs to be balanced by
explicit dput().

Fucked-up-by: Al Viro <viro@zeniv.linux.org.uk>

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-36947
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-36947.mbox
https://git.kernel.org/stable/c/24dd9b08df718f20ccf2dd1519909fefd8c233ee
https://git.kernel.org/stable/c/bd8f78c71defbcb7a9ed331e7f287507df972b00
https://git.kernel.org/stable/c/db71ca93259dd1078bcfea3afafde2143cfc2da7
https://git.kernel.org/stable/c/02ee394a5d899d9bd2f0759382e9481cab6166f8
https://git.kernel.org/stable/c/aa23317d0268b309bb3f0801ddd0d61813ff5afb
https://www.cve.org/CVERecord?id=CVE-2024-36947
https://bugzilla.redhat.com/show_bug.cgi?id=2284461
Comment 3 Miroslav Franc 2024-06-07 19:34:22 UTC
Patch in all relevant branches.  Switching back to security team.