Bug 1224593 (CVE-2024-35859)

Summary:	VUL-0: CVE-2024-35859: kernel: block: fix module reference leakage from bdev_open_by_dev error path
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	gabriele.sonnu, jlee
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/406459/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-35859:5.5:(AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-05-20 15:29:53 UTC

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

block: fix module reference leakage from bdev_open_by_dev error path

At the time bdev_may_open() is called, module reference is grabbed
already, hence module reference should be released if bdev_may_open()
failed.

This problem is found by code review.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-35859
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-35859.mbox
https://git.kernel.org/stable/c/0e9327c67410b129bf85e5c3a5aaea518328636f
https://git.kernel.org/stable/c/9617cd6f24b294552a817f80f5225431ef67b540
https://www.cve.org/CVERecord?id=CVE-2024-35859
https://bugzilla.redhat.com/show_bug.cgi?id=2281243

Comment 1 Joey Lee 2024-05-21 08:50:54 UTC

https://www.suse.com/security/cve/CVE-2024-35859.html
cvss 5.5

Comment 3 Joey Lee 2024-05-24 10:14:27 UTC

Nothing to be done

Comment 4 Gabriele Sonnu 2024-06-10 12:33:56 UTC

All done, closing.