Bug 2267028 (CVE-2023-52482)

Summary:	CVE-2023-52482 kernel: x86/srso: Add SRSO mitigation for Hygon processors
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
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, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, llong, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, sidakwo, sukulkar, tglozar, vkumar, vsroka, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.15.134, kernel 6.1.56, kernel 6.5.6, kernel 6.6	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel, where the Hygon x86 processor is susceptible to a speculative return stack overflow.	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:	2267029
Bug Blocks:	2266913

Description Avinash Hanwate 2024-02-29 11:11:28 UTC

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

x86/srso: Add SRSO mitigation for Hygon processors

The Linux kernel CVE team has assigned CVE-2023-52482 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022922-CVE-2023-52482-9375@gregkh/T/#u

Comment 1 Avinash Hanwate 2024-02-29 11:12:08 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2267029]

Comment 2 Justin M. Forbes 2024-02-29 17:27:16 UTC

This was fixed for Fedora with the 6.5.6 stable kernel updates.

Comment 4 Waiman Long 2024-03-14 17:25:00 UTC

Note that Hygon is not a x86 processor variant that RHEL officially support. Fixing it is easy, but it is up to the product managers to decide if we want to get this fixed.

Comment 9 errata-xmlrpc 2024-11-12 09:19:14 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