Intel CPU (Retbleed): Retbleed on Intel - speculative execution of return instructions leaks across privilege boundaries

CVE-2022-29901Kernel, userspace & hypervisorcurated

Impact

Retbleed on Intel - speculative execution of return instructions leaks across privilege boundaries

Who can reach it

Any tenant process in a container; tenant VM guest

What to do

Kernel mitigation + reboot; standing perf cost (IBRS on Skylake-era parts is expensive)

References

https://access.redhat.com/security/cve/CVE-2022-29901

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.