Bug 2044510 (CVE-2021-34406)

Summary:	CVE-2021-34406 kernel: Race condition in NVIDIA driver can lead to a null pointer dereference
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bhu, brdeoliv, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, fpacheco, 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, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-11 05:52:34 UTC	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:	2044515
Bug Blocks:	2044511

Description Pedro Sampaio 2022-01-24 17:48:07 UTC

NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointer dereference, which may lead to a system reboot.

References:

https://nvidia.custhelp.com/app/answers/detail/a_id/5259

Comment 1 Pedro Sampaio 2022-01-24 17:53:03 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2044515]

Comment 2 Justin M. Forbes 2022-01-25 17:28:36 UTC

This seems to be in their proprietary driver code that they ship in their android kernel.

Comment 3 juneau 2022-02-08 17:59:33 UTC

Marking services notaffected.

Comment 4 Rohit Keshri 2022-02-11 05:07:27 UTC

Linux for Tegra (Linux4Tegra, L4T) is a Linux based system software distribution by Nvidia for the Tegra processor series, used in platforms like the Nvidia Jetson board series.

Comment 5 Product Security DevOps Team 2022-02-11 05:52:30 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-34406