VulnerabilityModified
CVE-2021-26312
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
MEDIUM 5.5EPSS 0.25%
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
Description
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-665, CWE-668
- Affected
- amd/epyc 7601 firmware · amd/epyc 7551p firmware · amd/epyc 7551 firmware · amd/epyc 7501 firmware · amd/epyc 7451 firmware · amd/epyc 7401 firmware · amd/epyc 7371 firmware · amd/epyc 7351p firmware · amd/epyc 7351 firmware · amd/epyc 7301 firmware · amd/epyc 7281 firmware · amd/epyc 7261 firmware · amd/epyc 7251 firmware · amd/epyc 7f72 firmware · amd/epyc 7f52 firmware · amd/epyc 7f32 firmware · amd/epyc 7h12 firmware · amd/epyc 7742 firmware · amd/epyc 7702 firmware · amd/epyc 7702p firmware · +37 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.