VDB

CVE-2021-26375

CVE-2021-26375 PUBLISHED

Reported by amd · Published May 11, 2022

Insufficient General Purpose IO (GPIO) bounds check in System Management Unit (SMU) may result in access/updates from/to invalid address space that could result in denial of service.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
ryzen_3_2300u_firmwareamdraven-fp5-am4_1.1.0.e, pinnaclepi-am4_1.0.0.c_(rv1), picassopi-fp5_1.0.0.d, comboam4v2_pi_1.2.0.6c, comboam4pi_1.0.0.8
ryzen_threadripper_pro_5955wx_firmwareamdcastlepeakwspi-swrx8_1.0.0.9
epyc_7352_firmwareamdromepi-sp3_1.0.0.d
epyc_7702_firmwareamdromepi-sp3_1.0.0.d
epyc_7402_firmwareamdromepi-sp3_1.0.0.d
epyc_75f3_firmwareamdmilanpi-sp3_1.0.0.7
epyc_7573x_firmwareamdmilanpi-sp3_1.0.0.7
epyc_7302_firmwareamdromepi-sp3_1.0.0.d
ryzen_threadripper_2920x_firmwareamdsummitpi-sp3r2_1.1.0.5, castlepeakpi-sp3r3_1.0.0.7
ryzen_threadripper_2990wx_firmwareamdsummitpi-sp3r2_1.1.0.5, castlepeakpi-sp3r3_1.0.0.7
epyc_7413_firmwareamdmilanpi-sp3_1.0.0.7
ryzen_5_5500_firmwareamdcomboam4_v2_pi_1.2.0.6c

33 more packages have a fixed version. See every fix in Lookup.

Affected products

VendorProductVersions
AMDEPYC™ Processorsvarious
AMDRyzen™ Seriesvarious
AMDAthlon™ Seriesvarious
AMDRyzen™ Series*
AMDAthlon™ Series*
AMDEPYC™ Processors*

Timeline

  • May 10, 2022 CVE Published
  • May 12, 2022 EPSS Score (30 in total, the first dated here)
  • Mar 17, 2026 Security Advisory (20 in total, the first dated here)
  • Jun 17, 2026 CVE Updated
  • Aug 8, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-26375
vulnetix vdb fixes CVE-2021-26375

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-26375/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

  • x_refsource_MISC
  • x_refsource_MISC
Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›