Bug 1224762 (CVE-2024-27423)

Summary:	VUL-0: REJECTED: CVE-2024-27423: kernel: netrom: Fix a data-race around sysctl_netrom_transport_requested_window_size
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED INVALID	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	andrea.mattiazzo, gianluca.gabrielli, jlee
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/406344/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-27423:5.3:(AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-05-20 16:25:47 UTC

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

netrom: Fix a data-race around sysctl_netrom_transport_requested_window_size

We need to protect the reader reading the sysctl value because the
value can be changed concurrently.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-27423
https://www.cve.org/CVERecord?id=CVE-2024-27423
https://git.kernel.org/stable/c/0d43a58900e5a2bfcc9de47e16c6c501c0bef853
https://git.kernel.org/stable/c/46803b776d869b0c36041828a83c4f7da2dfa03b
https://git.kernel.org/stable/c/489e05c614dbeb1a1148959f02bdb788891819e6
https://git.kernel.org/stable/c/4f2efa17c3ec5e4be0567b47439b9713c0dc6550
https://git.kernel.org/stable/c/652b0b35819610a42b8a90d21acb12f69943b397
https://git.kernel.org/stable/c/89aa78a34340e9dbc3248095f44d81d0e1c23193
https://git.kernel.org/stable/c/a2e706841488f474c06e9b33f71afc947fb3bf56
https://git.kernel.org/stable/c/db006d7edbf0b4800390ece3727a82f4ae764043
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-27423.mbox
https://bugzilla.redhat.com/show_bug.cgi?id=2281085

Comment 1 Joey Lee 2024-05-21 05:31:34 UTC

https://www.suse.com/security/cve/CVE-2024-27423.html
cvss 5.3

Comment 2 Joey Lee 2024-05-22 09:10:18 UTC

joeyli@linux-691t:/mnt/working/source_code-git/kernel-source> ./scripts/check-kernel-fix CVE-2024-27423
a2e706841488 ("netrom: Fix a data-race around sysctl_netrom_transport_requested_window_size") merged v6.8~19^2~2^2~4
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") merged v2.6.12-rc2^0
Security fix for CVE-2024-27423 bsc#1224762 with CVSS 5.3
Experts candidates: mkubecek@suse.cz denis.kirjanov@suse.com davide.benini@suse.com 
..............................
ACTION NEEDED!
SLE12-SP5: MANUAL: backport a2e706841488f474c06e9b33f71afc947fb3bf56 (Fixes 1da177e4c3f4)
SLE15-SP6: MANUAL: backport a2e706841488f474c06e9b33f71afc947fb3bf56 (Fixes 1da177e4c3f4)
SLE12-SP3-TD: MANUAL: backport a2e706841488f474c06e9b33f71afc947fb3bf56 (Fixes 1da177e4c3f4)
SLE15-SP5: MANUAL: backport a2e706841488f474c06e9b33f71afc947fb3bf56 (Fixes 1da177e4c3f4)

Comment 3 Joey Lee 2024-05-22 09:10:34 UTC

Hi Davide,

Because this is a issue for netrom. Could you please help to handle it?

If this is not in your area, just reset bug assigner to kernel-bugs@suse.de. Kernel Security Sentinel will find other expert.

Thanks a lot!

Comment 5 Andrea Mattiazzo 2024-05-27 07:29:41 UTC

CVE is now rejected: https://lore.kernel.org/linux-cve-announce/2024052532-REJECTED-e092@gregkh/

Comment 6 Davide Benini 2024-05-27 08:57:46 UTC

(In reply to Andrea Mattiazzo from comment #5)
> CVE is now rejected:
> https://lore.kernel.org/linux-cve-announce/2024052532-REJECTED-e092@gregkh/

Assigning back to the security team