CVE-2026-46174

A flaw was found in the Linux kernel, specifically within the x86/CPU/AMD Zen2's op cache. This vulnerability arises from improper isolation of shared resources, which can lead to instruction corruption. The consequence of this flaw is that it may cause unexpected behavior or instability within t...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. CVE-2026-46300: net: skbuff: propagate shared-frag marker through...

SUSE-SU-2026:1899-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker...

SUSE-SU-2026:21800-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker throu...

SUSE-SU-2026:21673-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate...

UBUNTU-CVE-2025-38518

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Disable INVLPGB on Zen2 AMD Cyan Skillfish Family 17h, Model 47h, Stepping 0h has an issue that causes system oopses and panics when performing TLB flush using INVLPGB. However, the problem is that that machine has...

x86/AMD: Zenbleed

ISSUE DESCRIPTION Researchers at Google have discovered Zenbleed, a hardware bug causing corruption of the vector registers. When a VZEROUPPER instruction is discarded as part of a bad transient execution path, its effect on internal tracking are not unwound correctly. This manifests as the wrong...