Red Hat: CVE-2017-2596: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)
5
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
02/06/2017
07/25/2018
08/03/2017
02/14/2023
Description
The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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