CVE-2018-10853

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Summary

CVECVE-2018-10853
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-09-11 14:29:00 UTC
Updated2019-10-03 00:03:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-269

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2019:1407-1: important: Security update SUSE lists.opensuse.org
Red Hat Customer Portal REDHAT access.redhat.com
kernel/git/torvalds/linux.git - Linux kernel source tree CONFIRM git.kernel.org Patch, Vendor Advisory
[SECURITY] [DLA 1422-1] linux security update MLIST lists.debian.org Mailing List, Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com
[SECURITY] [DLA 1423-1] linux-4.9 new package MLIST lists.debian.org Mailing List, Third Party Advisory
[SECURITY] [DLA 1422-2] linux security update MLIST lists.debian.org Mailing List, Third Party Advisory
1589890 – (CVE-2018-10853) CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write CONFIRM bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
USN-3777-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
USN-3777-1: Linux kernel vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com
kernel/git/torvalds/linux.git - Linux kernel source tree CONFIRM git.kernel.org Patch, Vendor Advisory
oss-security - CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write MISC www.openwall.com Mailing List, Patch, Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com
Red Hat Customer Portal REDHAT access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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