Bug 2182111 (CVE-2023-1670)

Summary:	CVE-2023-1670 kernel: use after free bug in xirc2ps_detach
Product:	[Other] Security Response	Reporter:	Alex <allarkin>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, alex000young, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, drow, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rogbas, rrobaina, rvrbovsk, rysulliv, scweaver, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Linux kernel 6.3-rc4	Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free flaw was found in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver. This issue could allow a local user to crash the system or escalate their privileges on the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-27 19:20:47 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:	2182112
Bug Blocks:	2182021

Description Alex 2023-03-27 15:14:19 UTC

A flaw use after free in the Linux Kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver found. When xirc2ps_detach being called, race condition could happen with the xirc2ps_tx_timeout_task by xirc2ps_probe.

Reference:
https://lore.kernel.org/all/20230316161526.1568982-1-zyytlz.wz@163.com/

Comment 1 Alex 2023-03-27 15:14:53 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2182112]

Comment 3 Justin M. Forbes 2023-04-04 13:34:26 UTC

This was fixed for Fedora with the 6.2.9 stable kernel updates.

Comment 4 zhuoraoyang 2023-04-20 06:32:38 UTC

*** Bug 2182011 has been marked as a duplicate of this bug. ***