Bug 1211902 (CVE-2023-2612)

Summary: VUL-0: CVE-2023-2612: kernel: shiftfs: race condition in inode locking
Product: [Novell Products] SUSE Security Incidents Reporter: Gabriele Sonnu <gabriele.sonnu>
Component: IncidentsAssignee: Security Team bot <security-team>
Status: RESOLVED INVALID QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P5 - None CC: security-team
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/367948/
Whiteboard:
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description Gabriele Sonnu 2023-06-01 09:24:29 UTC 
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux
kernel contained a race condition when handling inode locking in some
situations. A local attacker could use this to cause a denial of service (kernel
deadlock).

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-2612
https://www.cve.org/CVERecord?id=CVE-2023-2612
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
https://ubuntu.com/security/CVE-2023-2612
Comment 1 Gabriele Sonnu 2023-06-01 09:24:51 UTC 
Not shipped, closing.