What is CVE-2021-26348?

CVE-2021-26348 is a medium-severity vulnerability in Amd Epyc 72f3. CVSS score: 5.5/10. Published 2022-05-11.

How severe is CVE-2021-26348?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Amd Epyc 72f3

CVE-2021-26348

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.

EPSS: 0.002 (12.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Amd Epyc_72f3
Amd Epyc_72f3_firmware
Amd Epyc_7313
Amd Epyc_7313_firmware
Amd Epyc_7313p
Amd Epyc_7313p_firmware
Amd Epyc_7343
Amd Epyc_7343_firmware
Amd Epyc_7373x
Amd Epyc_7373x_firmware

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26348?: CVE-2021-26348 is a medium-severity vulnerability in Amd Epyc 72f3. CVSS score: 5.5/10. Published 2022-05-11.
How severe is CVE-2021-26348?: Medium severity. CVSS v3 base score is 5.5 out of 10.