Bug 1220695 (CVE-2023-52479)

Summary:	VUL-0: CVE-2023-52479: kernel: ksmbd: uaf in smb20_oplock_break_ack
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Kernel Bugs <kernel-bugs>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P5 - None	CC:	thomas.leroy
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/395796/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-02-29 14:03:03 UTC

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix uaf in smb20_oplock_break_ack

drop reference after use opinfo.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-52479
https://www.cve.org/CVERecord?id=CVE-2023-52479
https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9

Comment 1 Thomas Leroy 2024-02-29 14:03:45 UTC

ksmbd only build on stable, that already has the fix. Closing