CVE-2021-26336

CWE-119 — Buffer Overflow3 documents3 sources

Severity

5.5MEDIUM

EPSS

0.1%

top 68.15%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

AMD Epyc 7002 Firmware AMD Epyc 7003 Firmware AMD Epyc 7232p Firmware +43 more

Timeline

PublishedNov 16

Latest updateMay 24

Description

Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.

CVSS vector

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

Affected Packages46 packages

▶NVDamd/epyc_7002_firmware< romepi-sp3_1.0.0.c

▶NVDamd/epyc_7003_firmware< milanpi-sp3_1.0.0.4

▶NVDamd/epyc_7252_firmware< romepi-sp3_1.0.0.c

▶NVDamd/epyc_7262_firmware< romepi-sp3_1.0.0.c

▶NVDamd/epyc_7272_firmware< romepi-sp3_1.0.0.c

🔴Vulnerability Details

GHSA

GHSA-g84m-4q6r-8c89: Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent fa↗2022-05-24

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CVEList

CVE-2021-26336: Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent fa↗2021-11-16

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