Bug 2281173 (CVE-2024-35831)

Summary:	CVE-2024-35831 kernel: io_uring: Fix release of pinned pages when __io_uaddr_map fails
Product:	[Other] Security Response	Reporter:	Zack Miele <zmiele>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, esandeen, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.6.23, kernel 6.7.11, kernel 6.8.2, kernel 6.9	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the `io_uring` subsystem in the Linux kernel, where pinned pages are not properly released if the `__io_uaddr_map` function fails. This could lead to resource leaks or other unintended behaviors.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2281174
Bug Blocks:	2281793

Description Zack Miele 2024-05-17 23:03:04 UTC

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

io_uring: Fix release of pinned pages when __io_uaddr_map fails

The Linux kernel CVE team has assigned CVE-2024-35831 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024051742-CVE-2024-35831-abcc@gregkh/T

Comment 1 Zack Miele 2024-05-17 23:03:40 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2281174]

Comment 3 Alex 2024-06-09 13:46:46 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-35831 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 223ef474316466e9f61f6e0064f3a6fe4923a2c5	YES			NO	NO	unknown	 (where first YES/NO value means if related sources built).

Comment 4 errata-xmlrpc 2024-11-12 09:27:08 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315