Bug 1226511 (CVE-2024-36976)

Summary: VUL-0: CVE-2024-36976: kernel: Revert "media: v4l2-ctrls: show all owned controls in log_status"
Product: [Novell Products] SUSE Security Incidents Reporter: SMASH SMASH <smash_bz>
Component: IncidentsAssignee: Security Team bot <security-team>
Status: RESOLVED FIXED QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P3 - Medium CC: gabriel.bertazi, gabriele.sonnu
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/411238/
Whiteboard: CVSSv3.1:SUSE:CVE-2024-36976:5.5:(AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description SMASH SMASH 2024-06-19 07:54:03 UTC 
In the Linux kernel, the following vulnerability has been resolved:

Revert "media: v4l2-ctrls: show all owned controls in log_status"

This reverts commit 9801b5b28c6929139d6fceeee8d739cc67bb2739.

This patch introduced a potential deadlock scenario:

[Wed May  8 10:02:06 2024]  Possible unsafe locking scenario:

[Wed May  8 10:02:06 2024]        CPU0                    CPU1
[Wed May  8 10:02:06 2024]        ----                    ----
[Wed May  8 10:02:06 2024]   lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May  8 10:02:06 2024]                                lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);
[Wed May  8 10:02:06 2024]                                lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May  8 10:02:06 2024]   lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);

For now just revert.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-36976
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-36976.mbox
https://git.kernel.org/stable/c/2e0ce54a9c5c7013b1257be044d99cbe7305e9f1
https://git.kernel.org/stable/c/eba63df7eb1f95df6bfb67722a35372b6994928d
https://www.cve.org/CVERecord?id=CVE-2024-36976
https://bugzilla.redhat.com/show_bug.cgi?id=2293005
Comment 2 Andrea Mattiazzo 2024-07-03 13:32:56 UTC 
All done, closing.