CentOS Linux: CVE-2018-10853: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)
5
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
09/11/2018
08/29/2019
08/28/2019
05/25/2023
Description
A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.
Solution(s)
- centos-upgrade-kernel
- centos-upgrade-kernel-rt
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