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Fencer Vulns
high 8.2

CVE-2024-21924 json

SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0 attacker to modify boot services handlers, potentiall…

published 2025-02-11 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-19530

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0 attacker to modify boot services handlers, potentially resulting in arbitrary code execution.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

  • AMD AMD EPYC™ 7002 Processors
  • AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
  • AMD AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors
  • AMD AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors
  • AMD AMD EPYC™ Embedded 7002 Processors

Classification

Weakness
  • CWE-250 Execution with Unnecessary Privileges

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.