CVE-2025-54518 Privilege escalation in AMD EPYC™ 7002 Series Processors
Attackers can corrupt instructions across privilege levels via CPU cache isolation flaws, enabling privilege escalation on AMD Zen 2 processors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-54518?
CVE-2025-54518 is a high-severity vulnerability in AMD EPYC™ 7002 Series Processors, published on 15 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
Which versions are affected by CVE-2025-54518?
Linux distribution packages (40)
bpftool AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-abi-stablelists AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-core AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-cross-headers AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-debug AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-debug-core AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-debug-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-debug-modules AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-debug-modules-extra AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-doc AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-headers AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-modules AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-modules-extra AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-rt AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-core AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-debug AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-debug-core AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-debug-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-debug-modules AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-debug-modules-extra AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-modules AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-rt-modules-extra AlmaLinux:8 | All versions | 4.18.0-553.153.1.rt7.494.el8_10 |
kernel-tools AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-tools-libs AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-tools-libs-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-zfcpdump AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-zfcpdump-core AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-zfcpdump-devel AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-zfcpdump-modules AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
kernel-zfcpdump-modules-extra AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
perf AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
python3-perf AlmaLinux:8 | All versions | 4.18.0-553.153.1.el8_10 |
bpftool Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-553.153.1.el8_10 |
bpftool-debuginfo Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-553.153.1.el8_10 |
kernel Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-553.153.1.el8_10 |
kernel-abi-stablelists Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-553.153.1.el8_10 |
kernel-core Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-553.153.1.el8_10 |
How do I fix CVE-2025-54518?
Apply the vendor's patch.
Is CVE-2025-54518 being exploited?
There is no known exploitation of CVE-2025-54518 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-54518, ALSA-2026:50978, ALSA-2026:50979, DEBIAN-CVE-2025-54518, GHSA-wrmr-crjv-w33g, RHSA-2026:50978 and 10 more.