Bug 1218731 (CVE-2023-51781) - VUL-0: CVE-2023-51781: kernel: use-after-free in net/appletalk/ddp.c
Summary: VUL-0: CVE-2023-51781: kernel: use-after-free in net/appletalk/ddp.c
Status: RESOLVED WONTFIX
Alias: CVE-2023-51781
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P5 - None : Major
Target Milestone: ---
Assignee: Olaf Hering
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/390671/
Whiteboard: CVSSv3.1:SUSE:CVE-2023-51781:7.8:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2024-01-11 15:34 UTC by SMASH SMASH
Modified: 2024-06-07 14:38 UTC (History)
2 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 2024-01-11 15:34:13 UTC 
An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-51781
https://bugzilla.redhat.com/show_bug.cgi?id=2257683
Comment 4 Michal Hocko 2024-06-07 14:38:53 UTC 
atalk_ioctl is limited to privileged users so this is not considered a security threat.