CVE-2025-22047Incorrect Check of Function Return Value in Linux

Severity
5.5MEDIUMNVD
OSV7.1OSV5.9
EPSS
0.1%
top 80.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 16
Latest updateJan 9

Description

In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix __apply_microcode_amd()'s return value When verify_sha256_digest() fails, __apply_microcode_amd() should propagate the failure by returning false (and not -1 which is promoted to true).

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 Packages5 packages

NVDlinux/linux_kernel6.6.816.6.87+4
Debianlinux/linux_kernel< 6.12.25-1+1
Ubuntulinux/linux_kernel< 6.8.0-86.87+2
CVEListV5linux/linuxbef830144febedb7de86863ae99d8f53bed76e95763f4d638f71cb45235395790a46e9f9e84227fd+5
debiandebian/linux< linux 6.12.25-1 (forky)

Patches

🔴Vulnerability Details

23
OSV
linux-azure-nvidia vulnerabilities2026-01-09
OSV
linux-azure-fips vulnerabilities2025-12-17
OSV
linux-raspi vulnerabilities2025-11-25
OSV
linux-raspi-realtime vulnerabilities2025-11-24
OSV
linux-aws-6.8 vulnerabilities2025-11-12

📋Vendor Advisories

22
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities2026-01-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2025-12-17
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2025-11-25
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities2025-11-24
Ubuntu
Linux kernel (AWS) vulnerabilities2025-11-12
CVE-2025-22047 — Linux vulnerability | cvebase