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.
References
Information
Published : 2018-09-11 07:29
Updated : 2019-10-02 17:03
NVD link : CVE-2018-10853
Mitre link : CVE-2018-10853
JSON object : View
CWE
CWE-269
Improper Privilege Management
Products Affected
debian
- debian_linux
canonical
- ubuntu_linux
linux
- linux_kernel