Bug 1220652 (CVE-2021-46996)

Summary:	VUL-0: CVE-2021-46996: kernel: netfilter: nftables: memory leak from userdata error path in new objects
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Kernel Bugs <kernel-bugs>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P5 - None	CC:	carlos.lopez
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/395445/
Whiteboard:	CVSSv3.1:SUSE:CVE-2021-46996:4.1:(AV:L/AC:H/PR:H/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 2024-02-29 10:23:34 UTC

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

netfilter: nftables: Fix a memleak from userdata error path in new objects

Release object name if userdata allocation fails.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-46996
https://www.cve.org/CVERecord?id=CVE-2021-46996
https://git.kernel.org/stable/c/2c784a500f5edd337258b0fdb2f31bc9abde1a23
https://git.kernel.org/stable/c/59fa98bfa1f4013d658d990cac88c87b46ff410c
https://git.kernel.org/stable/c/85dfd816fabfc16e71786eda0a33a7046688b5b0
https://git.kernel.org/stable/c/dd3bebf515f336214a91994348a2b86b9a1d3d7f

Comment 1 Carlos López 2024-02-29 10:23:49 UTC

Already fixed in affected branches (cve/linux-5.14, SLE15-SP6, stable and master). Closing.