CVE-2021-26344 
An out of bounds memory write when processing the AMD
PSP1 Configuration Block (APCB) could allow an attacker with access the ability
to modify the BIOS image, and the ability to sign the resulting image, to
potentially modify the APCB block resulting in arbitrary code execution.
Affected products: vendor: AMD
product: AMD EPYC™ 7001 Series Processors
default_status: affected
vendor: AMD
product: AMD EPYC™ 7002 Series Processors
default_status: affected
vendor: AMD
product: AMD EPYC™ 7003 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ 3000 Series Desktop Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ 5000 Series Desktop Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ Threadripper™ 3000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Threadripper™ PRO 5000WX Processors
default_status: affected
vendor: AMD
product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
default_status: affected
vendor: AMD
product: AMD EPYC™ Embedded 7002 Series Processors
default_status: affected
vendor: AMD
product: AMD EPYC™ Embedded 3000 Series Processors
default_status: affected
vendor: AMD
product: AMD EPYC™ Embedded 7003 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded R1000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded R2000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded 5000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded V1000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded V2000 Series Processors
default_status: affected
vendor: AMD
product: AMD Ryzen™ Embedded V3000 Series Processors
default_status: affected
CVSS v3.1: attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
version: 3.1
Published: 2024-08-13T16:49:52.889Z