Bug 2250460 (CVE-2023-31347)

Summary: CVE-2023-31347 kernel: Insufficient check may lead to an incorrect TSC
Product: [Other] Security Response Reporter: Nick Tait <ntait>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, security-response-team, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in some AMD Hardware due to a code bug in the Secure_TSC, SEV firmware. This flaw allows an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled, potentially resulting in a loss of guest integrity.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2250465    
Bug Blocks: 2250459    

Description Nick Tait 2023-11-18 19:00:43 UTC
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity