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Fencer Vulns
medium 5.9

CVE-2025-29952 json

Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP…

published 2026-02-10 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-207139

cvss
5.9
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity

Patch / fix

  • AMD AMD EPYC™ 9005 Series Processors TurinPI 1.0.0.6
  • AMD AMD EPYC™ Embedded 9005 Series Processors EmbTurinPI-SP5_1.0.0.1
  • amd64-microcode Debian 14 3.20260923.1

debian advisories DEBIAN-CVE-2025-29952

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 5.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
CNA 4.0 5.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • AMD AMD EPYC™ 9005 Series Processors
  • AMD AMD EPYC™ Embedded 9005 Series Processors

Classification

Weakness
  • CWE-457 Use of Uninitialized Variable

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.