Bug 2064232 (CVE-2022-26490)

Summary:	CVE-2022-26490 kernel: potential buffer overflows in EVT_TRANSACTION in st21nfca
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bdettelb, 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, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams, zulinx86
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 buffer overflow flaw was found in the Linux kernel’s NFC protocol functionality. This flaw allows a local user to crash or escalate their privileges on the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-03-15 21:01:43 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:	2064233
Bug Blocks:	2064234

Description Marian Rehak 2022-03-15 11:29:40 UTC

st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.

Reference:

https://github.com/torvalds/linux/commit/4fbcc1a4cb20fe26ad0225679c536c80f1648221

Comment 1 Marian Rehak 2022-03-15 11:30:09 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2064233]

Comment 3 Product Security DevOps Team 2022-03-15 21:01:39 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-2022-26490