The retbleed mitigation is enabled on Nehalem CPU in VMware VM
Issue
- The retbleed mitigation is enabled on Nehalem CPU in VMware VM
# grep . /sys/devices/system/cpu/vulnerabilities/retbleed:Mitigation: IBRS
Environment
- VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/17/2015
- Intel(R) Xeon(R) CPU E5540 @ 2.53GHz (06, 1a, 05)
kernel-3.10.0-1160.119.1.el7.x86_64kernel-4.18.0-553.8.1.el8_10.x86_64kernel-5.14.0-427.24.1.el9_4.x86_64
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