CVE-2025-54518
AMD Zen 2 CPU Cache Privilege Escalation
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.
INFO
Published Date :
May 15, 2026, 5:16 a.m.
Last Modified :
July 15, 2026, 2:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-54518
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | ||||
| CVSS 4.0 | HIGH | b58fc414-a1e4-4f92-9d70-1add41838648 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Apply microcode updates for affected processors.
- Update system firmware and BIOS.
- Consider disabling certain CPU features if applicable.
Public PoC/Exploit Available at Github
CVE-2025-54518 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-54518.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-54518 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-54518
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Go
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-54518 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-54518 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jul. 15, 2026
Action Type Old Value New Value Changed Affected [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_nvidia:'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux for NVIDIA 26', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'packageName': 'libkrun', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'packageName': 'kernel-rt', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'packageName': 'kernel-rt', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'packageName': 'kernel-rt', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_nvidia:'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux for NVIDIA 26', 'packageName': 'kernel', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'packageName': 'rhcos', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}] -
CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 7', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:6'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 6', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:enterprise_linux_nvidia:'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux for NVIDIA 26', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-1220 Added Reference https://access.redhat.com/security/cve/CVE-2025-54518 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2477784 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54518.json -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 7002 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'os kernel'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'RenoirPI-FP6_1.0.0.Ed'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'MendocinoPI-FT6_1.0.0.7f'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2 1.2.0.10'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors', 'versions': [{'status': 'unaffected', 'version': 'ChagallWSPI-sWRX8-1.0.0.D'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6_1.0.1.1d'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors', 'versions': [{'status': 'unaffected', 'version': 'CastlePeakWSPI-sWRX8 1.0.0.I'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6_1.0.1.1d'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6_1.0.1.1d'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2 1.2.0.10'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2 1.2.0.10'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4PI 1.0.0.10'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 7002 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'OS kernel'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen Embedded V2000A Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedV2KAPI-FP6 1.0.0.A'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V2000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedPI-FP6_1.0.0.D'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2025-54518', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-05-15T00:00:00+00:00'} -
New CVE Received by [email protected]
May. 15, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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 Added CWE CWE-1189 Added Reference https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
May. 15, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/05/12/15 Added Reference http://xenbits.xen.org/xsa/advisory-490.html