Cyber Resilience

CVE-2021-26393

Medium

Published: 09 November 2022

Published
09 November 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0013 32.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-26393 is a medium-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Amd Enterprise Driver. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 32.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting…

more

in a loss of confidentiality.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

amd
enterprise driver
≤ 22.10.20
amd
radeon pro software
≤ 22.q2
amd
radeon software
≤ 22.5.2
amd
radeon rx vega 56 firmware
all versions
amd
radeon rx vega 64 firmware
all versions
amd
ryzen 3 2200ge firmware
all versions
amd
ryzen 3 2200g firmware
all versions
amd
ryzen 5 2400ge firmware
all versions
amd
ryzen 5 2400g firmware
all versions
amd
ryzen 3 5300ge firmware
all versions
+57 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References