Bug 2182435 (CVE-2023-23000)

Summary:	CVE-2023-23000 kernel: incorrect return value for the error case in the tegra_xusb_find_port_node
Product:	[Other] Security Response	Reporter:	Alex <allarkin>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dvlasenk, ezulian, hkrzesin, jarod, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rrobaina, rvrbovsk, rysulliv, scweaver, tyberry, walters, wcosta, williams, wmealing, ycote
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A null pointer dereference flaw was found in the Linux kernel's NVIDIA Tegra SoC driver. This issue could allow a local user to crash the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-28 19:46:22 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:	2182436
Bug Blocks:	2174642

Description Alex 2023-03-28 16:09:01 UTC

A flaw found in the Linux Kernel. In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.

Reference:
https://github.com/torvalds/linux/commit/045a31b95509c8f25f5f04ec5e0dec5cd09f2c5f

Comment 1 Alex 2023-03-28 16:09:26 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2182436]

Comment 3 Product Security DevOps Team 2023-03-28 19:46:19 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-2023-23000