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CVE-2018-10853

CVSS v3.0 7.8 (High)
78% Progress
CVSS v2.0 4.6 (Medium)
46% Progress
EPSS 0.06 % (28th)
0.06% Progress
Affected Products 3
Advisories 92
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-250
Execution with Unnecessary Privileges
CWE-269
Improper Privilege Management
CVE Status
PUBLISHED
CNA
Red Hat, Inc.
Published Date
2018-09-11 14:29:01
(6 years ago)
Updated Date
2019-10-03 00:03:26
(5 years ago)

Affected Products

Canonical

Debian

Linux

Configuration #1

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts

Configuration #2

    CPE23 From Up To
  Debian Linux 8.0 cpe:2.3:o:debian:debian_linux:8.0

Configuration #3

    CPE23 From Up To
  Linux Kernel prior 4.18 version cpe:2.3:o:linux:linux_kernel < 4.18