CVE & CISA-KEV Catalog

CVE-2021-26326

HIGH
7.8
CVSS v3
NVD

Description

Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.

How to fix

Remediation Available
epyc 7232p firmwareNVD
Affected:< romepi-sp3_1.0.0.cFixed in:romepi-sp3_1.0.0.cCVE-2021-26326derived from NVD
epyc 72f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7313 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7313p firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7343 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 73f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7413 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7443 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7443p firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7453 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 74f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7513 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7543 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7543p firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 75f3 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7643 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7663 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7713 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7713p firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived from NVD
epyc 7763 firmwareNVD
Affected:< milanpi-sp3_1.0.0.4Fixed in:milanpi-sp3_1.0.0.4CVE-2021-26326derived 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 ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.25%probability of exploitation in 30 days
17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-0847High7.888%KEVFix
CVE-2022-22719High7.570%-Fix
CVE-2020-28019High7.561%-Fix
CVE-2022-46164Critical9.449%-Fix
CVE-2022-37128Critical9.821%--
CVE-2019-14271Critical9.819%-Fix
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CVE-2021-26326 severity badge

Markdown

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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 2024-11-21.