CVE-2021-26348 — AMD Epyc 72f3 Firmware vulnerability

3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 66.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
24
AMD Epyc 72f3 FirmwareAMD Epyc 7313 FirmwareAMD Epyc 7313p Firmware+21 more
Timeline
PublishedMay 11
Latest updateMay 12

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages24 packages

▶NVDamd/epyc_72f3_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_7313_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_7343_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_73f3_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_7413_firmware< milanpi-sp3_1.0.0.7

🔴Vulnerability Details

2
GHSA
GHSA-8563-gc3w-c38p: 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 n↗2022-05-12
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CVEList
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 n↗2022-05-11
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CVE-2021-26348 — AMD Epyc 72f3 Firmware vulnerability | cvebase