SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-23823

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.

MEDIUM 6.5EPSS 1.17%

Does this matter?

Lower severity and a low EPSS score (1.17%). Track it; it rarely justifies an emergency change on its own.

Description

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
1.17% probability · 66th percentile
CISA KEV
Not listed
Weakness
CWE-203
Affected
amd/athlon x4 750 firmware · amd/athlon x4 760k firmware · amd/athlon x4 830 firmware · amd/athlon x4 835 firmware · amd/athlon x4 840 firmware · amd/athlon x4 845 firmware · amd/athlon x4 860k firmware · amd/athlon x4 870k firmware · amd/athlon x4 880k firmware · amd/athlon x4 940 firmware · amd/athlon x4 950 firmware · amd/athlon x4 970 firmware · amd/ryzen threadripper pro 3995wx firmware · amd/ryzen threadripper pro 3795wx firmware · amd/ryzen threadripper pro 3955wx firmware · amd/ryzen threadripper pro 3945wx firmware · amd/ryzen threadripper pro 5955wx firmware · amd/ryzen threadripper pro 5965wx firmware · amd/ryzen threadripper pro 5945wx firmware · amd/ryzen threadripper pro 5975wx firmware · +40 more
Source
psirt@amd.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.