Is CVE-2021-26367 in the CISA KEV catalog?

No. CVE-2021-26367 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26367?

CVE-2021-26367 has a CVSS v3 base score of 5.7 (MEDIUM).

What is the EPSS score for CVE-2021-26367?

CVE-2021-26367 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26367?

Upgrade athlon gold 3150c firmware to picassopi-fp5_1.0.0.e or later. Fixes are available for 36 affected products.

CVE & CISA-KEV Catalog

CVE-2021-26367

MEDIUM

5.7

CVSS v3

NVD

Description

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

How to fix

Remediation Available

athlon gold 3150c firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon gold 3150g firmwareNVD

Affected:< comboam4pi_1.0.0.9Fixed in:comboam4pi_1.0.0.9CVE-2021-26367derived from NVD

athlon gold 3150u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon gold pro 3150g firmwareNVD

Affected:< comboam4pi_1.0.0.9Fixed in:comboam4pi_1.0.0.9CVE-2021-26367derived from NVD

athlon gold pro 3150ge firmwareNVD

Affected:< comboam4pi_1.0.0.9Fixed in:comboam4pi_1.0.0.9CVE-2021-26367derived from NVD

athlon pro 300ge firmwareNVD

Affected:< comboam4pi_1.0.0.9Fixed in:comboam4pi_1.0.0.9CVE-2021-26367derived from NVD

athlon pro 3045b firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon pro 3145b firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon silver 3050c firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon silver 3050e firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

athlon silver 3050u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

radeon softwareNVD

Affected:< 23.12.1Fixed in:23.12.1CVE-2021-26367derived from NVD

ryzen 3 3300u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 3 3350u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 3 4300g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 3 4300ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 3 5300g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 3 5300ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 5 3450u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 5 3500c firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 5 3500u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 5 3550h firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 5 3580u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 5 4600g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 5 4600ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 5 5600g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 5 5600ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 7 3700c firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 7 3700u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 7 3750h firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 7 3780u firmwareNVD

Affected:< picassopi-fp5_1.0.0.eFixed in:picassopi-fp5_1.0.0.eCVE-2021-26367derived from NVD

ryzen 7 4700g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 7 4700ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 7 5700g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 7 5700ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.5Fixed in:comboam4v2_pi_1.2.0.5CVE-2021-26367derived from NVD

ryzen 9 5980hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.6Fixed in:cezannepi-fp6_1.0.0.6CVE-2021-26367derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-12-12.