Missing Lock Bit Protection in the Northbridge IO (NBIO) could allow a privileged attacker to use an intentionally disabled device as part of a remapping attack potentially impacting data confidentiality, integrity, or availability.
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Affected
amd:amd athlon™ 3000 series mobile processors with radeon™ graphics
amd:amd epyc™ 4004 series processors
amd:amd epyc™ 4005 series processors
amd:amd epyc™ 7001 series processors
amd:amd epyc™ 7002 series processors
amd:amd epyc™ 7003 series processors
amd:amd epyc™ 9004 series processors
amd:amd epyc™ 9005 series processors
amd:amd epyc™ embedded 3000 series processors
amd:amd epyc™ embedded 4005 series processors
amd:amd epyc™ embedded 7002 series processors
amd:amd epyc™ embedded 7003 series processors
amd:amd epyc™ embedded 8004 series processors
amd:amd epyc™ embedded 9004 series processors - bergamo
amd:amd epyc™ embedded 9004 series processors - genoa
amd:amd epyc™ embedded 9005 series processors
amd:amd instinct™ mi300a series processors
amd:amd ryzen™ 3000 series desktop processors
amd:amd ryzen™ 3000 series mobile processors with radeon™ graphics
amd:amd ryzen™ 4000 series desktop processors
amd:amd ryzen™ 4000 series mobile processors with radeon™ graphics
amd:amd ryzen™ 5000 series desktop processors
amd:amd ryzen™ 5000 series desktop processors with radeon™ graphics
amd:amd ryzen™ 5000 series mobile processors with radeon™ graphics
amd:amd ryzen™ 6000 series processors with radeon™ graphics
amd:amd ryzen™ 7000 series desktop processors
amd:amd ryzen™ 7020 series processors with radeon™ graphics
amd:amd ryzen™ 7030 series mobile processors with radeon™ graphics
amd:amd ryzen™ 7035 series processors with radeon™ graphics
amd:amd ryzen™ 7040 series mobile processors with radeon™ graphics
amd:amd ryzen™ 7045 series mobile processors with radeon™ graphics
amd:amd ryzen™ 8000 series desktop processors
amd:amd ryzen™ 8040 series mobile processors with radeon™ graphics
amd:amd ryzen™ 9000 series desktop processors
amd:amd ryzen™ 9000hx series mobile processors
amd:amd ryzen™ ai 300 series processors
amd:amd ryzen™ ai max 300 series processors
amd:amd ryzen™ embedded 5000 series processors
amd:amd ryzen™ embedded 7000 series processors
amd:amd ryzen™ embedded 8000 series processors
amd:amd ryzen™ embedded 9000 series processors
amd:amd ryzen™ embedded r1000 series processors
amd:amd ryzen™ embedded r2000 series processors
amd:amd ryzen™ embedded v1000 series processors (formerly codenamed "raven ridge")
amd:amd ryzen™ embedded v2000 series processors
amd:amd ryzen™ embedded v3000 series processors
amd:amd ryzen™ threadripper™ 3000 processors
amd:amd ryzen™ threadripper™ 7000 processors
amd:amd ryzen™ threadripper™ pro 3000 wx-series processors
amd:amd ryzen™ threadripper™ pro 5000 wx-series processors
Attack patterns (CAPEC)
CAPEC-176 Configuration/Environment Manipulation Severity: Medium
CAPEC-680 Exploitation of Improperly Controlled Registers Likelihood: Medium · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.