Bug 1224964 (CVE-2021-47279)

Summary:	VUL-0: CVE-2021-47279: kernel: usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()
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/406910/
Whiteboard:	CVSSv3.1:SUSE:CVE-2021-47279:5.5:(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 12:32:44 UTC

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

usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()

It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47279
https://www.cve.org/CVERecord?id=CVE-2021-47279
https://git.kernel.org/stable/c/2147684be1ebdaf845783139b9bc4eba3fecd9e4
https://git.kernel.org/stable/c/fbf649cd6d64d40c03c5397ecd6b1ae922ba7afc
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2021/CVE-2021-47279.mbox

Comment 2 Michal Hocko 2024-05-24 17:47:30 UTC

nothing to be done

Comment 3 Andrea Mattiazzo 2024-05-29 12:24:40 UTC

All done, closing.