Bug 1220256 (CVE-2024-26592)

Summary:	VUL-0: CVE-2024-26592: kernel: ksmbd: fix UAF issue in ksmbd_tcp_new_connection()
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:	andrea.mattiazzo
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/394914/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-26592:5.6:(AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-02-23 09:55:13 UTC

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

ksmbd: fix UAF issue in ksmbd_tcp_new_connection()

The race is between the handling of a new TCP connection and
its disconnection. It leads to UAF on `struct tcp_transport` in
ksmbd_tcp_new_connection() function.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-26592
https://lore.kernel.org/linux-cve-announce/2024022259-CVE-2024-26592-58f7@gregkh/T/#u

Patch:
https://git.kernel.org/stable/c/38d20c62903d669693a1869aa68c4dd5674e2544

Comment 1 Andrea Mattiazzo 2024-02-23 09:56:47 UTC

Closing since stable is already patched, SLE15-SP6 doesn't compile smb server (CONFIG_SMB_SERVER is not set) and the other codestreams doesn't have the feature.