USN-8728-1 linux-gcp-7.0 vulnerabilities

It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...

Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)

"The remote Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8663-1 advisory. It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. ...

USN-8664-1 linux-nvidia-bos vulnerabilities

It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...

USN-8663-1: Linux kernel (NVIDIA) vulnerabilities

It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...

USN-8619-1 linux-hwe-6.8 vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...

SUSE-SU-2026:2613-1 Security update for xen

This update for xen fixes the following issues - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066. - CVE-2026-42487: x86 HVM I/O port list traversal bsc1266952. - CVE-2026-42488: x86: mismatched mapcache metadata bsc1266955. - CVE-2026-42489,CVE-2026-42490: domctl lock open to abus...

CVE-2025-54518

A flaw was found in AMD Zen 2-based processors, affecting components such as the kernel and Xen hypervisor. Improper isolation of shared resources within the CPU operation cache could allow an attacker to corrupt instructions executed at a different privilege level. This could potentially result ...

SUSE-SU-2026:2212-1 Security update for the Linux Kernel (Live Patch 39 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.153 fixes one security issue The following security issue was fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096...

CVE-2026-46174

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

EUVD-2026-32801

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

CVE-2026-46174 x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

CVE-2026-46174

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way...

SUSE CVE-2025-54518

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...

ALPINE-CVE-2025-54518

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...

CVE-2025-54518

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...

CVE-2025-54518

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...

CVE-2025-54518

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...

CPU OP Cache Corruption

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Score ---|---|--- CVE-2025-54518| 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...

Chinese APT group targets financial institutions in the campaign “Operation Cache Panda”

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Chinese threat actor APT10 conducted a series of large-scale supply chain attacks that exclusively targeted the financial software systems of Taiwanese financial institutions from the end of November 2021 until the middle of...