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Vulnerability · Published Apr 16, 2025 · Assigned by Linux

CVE-2025-22047x86/microcode/AMD: Fix __apply_microcode_amd()'s return value

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 88.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.12.25-1DEBIAN-CVE-2025-22047
Debian:14linux6.12.25-1DEBIAN-CVE-2025-22047
Ubuntu:24.04:LTSlinux6.8.0-86.87UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux6.8.0-86.87USN-7835-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-aws6.8.0-1041.43USN-7835-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1041.43UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1041.43~22.04.1USN-7835-6
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1041.43~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-azure6.8.0-1041.47UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-azure6.8.0-1041.47USN-7835-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1018.18~24.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1041.47~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1041.47~22.04.1USN-7835-1
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1029.32UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1029.32USN-7940-2
Ubuntu:24.04:LTSlinux-gcp6.8.0-1042.45USN-7835-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1042.45UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1016.16~24.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1042.45~22.04.1USN-7835-3
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1042.45~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-gke6.8.0-1038.43USN-7835-3
Ubuntu:24.04:LTSlinux-gke6.8.0-1038.43UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1025.28UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1025.28USN-7835-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-86.87~22.04.1USN-7835-4
Ubuntu:24.04:LTSlinux-ibm6.8.0-1039.39UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-ibm6.8.0-1039.39USN-7835-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1039.39~22.04.1USN-7835-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1039.39~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-86.87.1USN-7835-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-86.87.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1015.16~24.04.2UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-86.87.1~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-86.87.1~22.04.1USN-7835-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1041.44USN-7835-3
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1041.44UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1012.12UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1041.44~22.04.2UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1041.44~22.04.2USN-7835-3
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1041.44.1USN-7835-3
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1041.44.1UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1012.12UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1024.24UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-oracle6.8.0-1038.39UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-oracle6.8.0-1038.39USN-7835-1
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1038.39~22.04.1USN-7835-5
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1038.39~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-raspi6.8.0-1041.45USN-7887-2
Ubuntu:24.04:LTSlinux-raspi6.8.0-1041.45UBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-22047
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-22047
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-22047

Affected products (as reported)

VendorProductVersions
Linux Linux bef830144febedb7de86863ae99d8f53bed76e95 – before 763f4d638f71cb45235395790a46e9f9e84227fd3e8653e399e7111a3e87d534ff4533b250ae574f – before ada88219d5315fc13f2910fe278c7112d8d68889c162ba4f45ab6ef3b7114af6fb419f1833f050c0 – before d295c58fad1d5ab987a81f139dd21498732c4f1350cef76d5cb0e199cda19f026842560f6eedc4f7 – before 7f705a45f130a85fbf31c2abdc999c65644c830750cef76d5cb0e199cda19f026842560f6eedc4f7 – before 31ab12df723543047c3fc19cb8f8c4498ec6267f6.6.81 – before 6.6.876.12.18 – before 6.12.236.13.6 – before 6.13.11
Linux Linux 6.14

References