CVE-2025-62626 — Improper Handling of Insufficient Entropy in TRNG in Amd64-microcode

CWE-333 — Improper Handling of Insufficient Entropy in TRNG155 documents6 sources
Severity
7.2HIGHNVD
EPSS
0.0%
top 95.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Linux KernelDebian Amd64-microcodeCitrix ADM+6 more
Timeline
PublishedNov 21
Latest updateApr 6

Description

Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values.

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected Packages9 packages

▶debiandebian/amd64-microcode< amd64-microcode 3.20251202.1 (forky)
▶Ubuntulinux/linux_kernel< 6.17.0-19.19

🔴Vulnerability Details

8
OSV
linux-oem-6.17 vulnerabilities↗2026-04-06
▶
OSV
linux-raspi vulnerabilities↗2026-04-01
▶
OSV
linux-azure, linux-azure-6.17 vulnerabilities↗2026-03-25
▶
OSV
linux-realtime-6.17 vulnerabilities↗2026-03-23
▶
OSV
linux-gcp-6.17, linux-realtime vulnerabilities↗2026-03-17
▶

📋Vendor Advisories

146
Ubuntu
Linux kernel (OEM) vulnerabilities↗2026-04-06
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2026-04-01
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Real-time) vulnerabilities↗2026-03-23
▶
Ubuntu
Linux kernel vulnerabilities↗2026-03-17
▶