CVE-2026-46174: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
Published May 28, 2026
·Updated
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
23 affected components
Linux Linux kernel
Microsoft azl3 kernel 6.6.139.1-1
Linux Linux kernel>=3.16.58<3.17
Linux Linux kernel>=4.4.144<4.5
Linux Linux kernel>=4.9.102<4.10
Linux Linux kernel>=4.14.1<5.10.256
Linux Linux kernel>=5.11<5.15.207
Linux Linux kernel>=5.16<6.1.173
Linux Linux kernel>=6.2<6.6.139
Linux Linux kernel>=6.7<6.12.88
Linux Linux kernel>=6.13<6.18.30
Linux Linux kernel>=6.19<7.0.7
Linux Linux kernel=4.14
Linux Linux kernel=4.14-rc2
Linux Linux kernel=4.14-rc3
Linux Linux kernel=4.14-rc4
Linux Linux kernel=4.14-rc5
Linux Linux kernel=4.14-rc6
Linux Linux kernel=4.14-rc7
Linux Linux kernel=4.14-rc8
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Event History
May 28, 2026
CVE Published
via MITRE·09:36 AM
Data Sourced
via MITRE·09:36 AM
DescriptionSeverity
Data Sourced
via NVD·10:16 AM
RemedyDescriptionSeverityAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:09 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-46174?
CVE-2026-46174 has a high severity rating of 8.8.
2
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.
3
What type of systems are affected by CVE-2026-46174?
CVE-2026-46174 affects systems running the Linux kernel with Zen2 architecture from AMD.
4
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.
5
When was CVE-2026-46174 published?
CVE-2026-46174 was published on May 28, 2026.