Bug 2053552 (CVE-2022-24959)

Summary:	CVE-2022-24959 kernel: memory leak in yam_siocdevprivate() in drivers/net/hamradio/yam.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bdettelb, bhu, chwhite, crwood, dfreiber, doconnor, drow, dvlasenk, hdegoede, hkrzesin, jarod, jarodwilson, jburrell, jeremy, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rkeshri, rogbas, rvrbovsk, scweaver, steved, teagle, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.17-rc2	Doc Type:	If docs needed, set a value
Doc Text:	A memory leak was found in the yam_siocdevprivate() function of the YAM driver for AX.25. This issue can result in a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2053553, 2070608, 2070609
Bug Blocks:	2053554

Description Guilherme de Almeida Suckevicz 2022-02-11 14:08:29 UTC

An issue was discovered in the Linux kernel before 5.16.5. There is a memory leak in yam_siocdevprivate in drivers/net/hamradio/yam.c.

Reference and upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=29eb31542787e1019208a2e1047bb7c76c069536

Comment 1 Guilherme de Almeida Suckevicz 2022-02-11 14:09:23 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2053553]

Comment 2 Justin M. Forbes 2022-02-11 15:37:28 UTC

This was fixed for Fedora with the 5.16.5 stable kernel updates.

Comment 3 juneau 2022-02-11 16:36:03 UTC

Services notaffected per kernel analysis.

Comment 6 Rohit Keshri 2022-03-31 14:25:34 UTC

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.