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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46174?
CVE-2026-46174 has a high severity rating of 8.8.
How do I fix CVE-2026-46174?
To resolve CVE-2026-46174, update to the latest version of the Linux kernel that contains the patch for this vulnerability.
What type of systems are affected by CVE-2026-46174?
CVE-2026-46174 affects systems running the Linux kernel with Zen2 architecture from AMD.
What impact does CVE-2026-46174 have on system security?
CVE-2026-46174 can lead to improper isolation of shared resources, potentially causing instruction corruption and exposing sensitive data.
When was CVE-2026-46174 published?
CVE-2026-46174 was published on May 28, 2026.