{"id":"CVE-2025-54518","title":"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.","summary":"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.","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-1189","CWE-1220"],"vendor":"AMD","product":"AMD EPYC™ 7002 Series Processors","affected":["epyc_7002_series_processors (all versions)","ryzen_4000_series_mobile_processors_with_radeon_graphics (all versions)","ryzen_7020_series_processors_with_radeon_graphics (all versions)","ryzen_3000_series_desktop_processors (all versions)","ryzen_threadripper_pro_3000_wx-series_processors (all versions)","ryzen_7030_series_mobile_processors_with_radeon_graphics (all versions)","ryzen_threadripper_pro_3000_wx-series_processors (all versions)","ryzen_5000_series_mobile_processors_with_radeon_graphics (all versions)","ryzen_5000_series_mobile_processors_with_radeon_graphics (all versions)","ryzen_4000_series_desktop_processors (all versions)","ryzen_5000_series_desktop_processors_with_radeon_graphics (all versions)","ryzen_3000_series_desktop_processors (all versions)","epyc_embedded_7002_series_processors (all versions)","ryzen_embedded_v2000a_series_processors (all versions)","ryzen_embedded_v2000_series_processors (all versions)"],"published":"2026-05-15","updated":"2026-09-10","sourceUpdated":"2026-09-10T13:16:59.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-54518","references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html","label":"psirt@amd.com"},{"url":"http://www.openwall.com/lists/oss-security/2026/05/12/15","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://xenbits.xen.org/xsa/advisory-490.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2026:50978","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:50979","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53329","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53989","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:53990","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:54769","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:55444","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:56573","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:57402","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:57457","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:57543","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:59091","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:59831","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:60019","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:62549","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2025-54518","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477784","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54518.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-54518"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54518"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-05-15T00:00:00+00:00"},"scores":{"nvd":7,"cna":7.3,"vendor":7},"epss":0.00287,"epssPercentile":0.21457,"ingestedAt":"2026-08-06T13:59:38.033Z","patched":["openshift_container_platform 4.12","openshift_container_platform 4.16","openshift_container_platform 4.17","openshift_container_platform 4.19","openshift_container_platform 4.20","openshift_container_platform 4.21","openshift_container_platform 4.22","enterprise_linux_appstream_e4s_v_9_4","enterprise_linux_appstream_eus_v_9_6","enterprise_linux_appstream_v_9","enterprise_linux_baseos_v_8","enterprise_linux_baseos_aus_v_8_4","enterprise_linux_baseos_eus_extension_v_8_4","enterprise_linux_baseos_aus_v_8_6","enterprise_linux_baseos_eus_extension_v_8_6","enterprise_linux_baseos_e4s_v_8_8","enterprise_linux_baseos_tus_v_8_8","enterprise_linux_baseos_e4s_v_9_4","enterprise_linux_baseos_eus_v_9_6","enterprise_linux_baseos_v_9","enterprise_linux_crb_v_8","codeready_linux_builder_eus_v_9_6","enterprise_linux_codeready_linux_builder_v_9","enterprise_linux_nfv_v_8","enterprise_linux_real_time_for_nfv_e4s_v_9_4","enterprise_linux_real_time_for_nfv_eus_v_9_6","enterprise_linux_real_time_for_nfv_v_9","enterprise_linux_rt_v_8","enterprise_linux_real_time_e4s_v_9_4","enterprise_linux_real_time_eus_v_9_6","enterprise_linux_real_time_v_9"],"slug":"CVE-2025-54518","body":"## Overview\n\nImproper 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:59831** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.12 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:59831)\n- **RHSA-2026:62549** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.16 · released 2026-09-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:62549)\n- **RHSA-2026:60019** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.17 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:60019)\n- **RHSA-2026:57402** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.19 · released 2026-08-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:57402)\n- **RHSA-2026:57543** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.20 · released 2026-08-25 · [advisory](https://access.redhat.com/errata/RHSA-2026:57543)\n- **RHSA-2026:57457** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.21 · released 2026-08-25 · [advisory](https://access.redhat.com/errata/RHSA-2026:57457)\n- **RHSA-2026:54769** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.22 · released 2026-08-18 · [advisory](https://access.redhat.com/errata/RHSA-2026:54769)\n- **RHSA-2026:56573** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.4), Red Hat Enterprise Linux BaseOS E4S (v.9.4), Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4), Red Hat Enterprise Linux Real Time E4S (v.9.4) · released 2026-08-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:56573)\n- **RHSA-2026:53990** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6), Red Hat Enterprise Linux BaseOS EUS (v.9.6), Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6), Red Hat Enterprise Linux Real Time EUS (v.9.6) · released 2026-08-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:53990)\n- **RHSA-2026:53329** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2026-08-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:53329)\n- **RHSA-2026:50978** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-08-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:50978)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}