Bug 1224985 (CVE-2021-47287)

Summary:	VUL-0: CVE-2021-47287: kernel: driver core: auxiliary bus: Fix memory leak when driver_register() fail
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, mhocko
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/406920/
Whiteboard:	CVSSv3.1:SUSE:CVE-2021-47287:5.5:(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 2024-05-22 12:35:38 UTC

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

driver core: auxiliary bus: Fix memory leak when driver_register() fail

If driver_register() returns with error we need to free the memory
allocated for auxdrv->driver.name before returning from
__auxiliary_driver_register()

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47287
https://www.cve.org/CVERecord?id=CVE-2021-47287
https://git.kernel.org/stable/c/4afa0c22eed33cfe0c590742387f0d16f32412f3
https://git.kernel.org/stable/c/ce5b3de58fc21303722df46551f7eb9a91afb409
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2021/CVE-2021-47287.mbox

Comment 2 Michal Hocko 2024-05-24 17:54:59 UTC

nothing to be done

Comment 3 Gabriele Sonnu 2024-06-12 11:56:13 UTC

All done, closing.