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CVE-2018-10853 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7 HIGHVector:CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html	CVE
https://access.redhat.com/errata/RHSA-2019:2029	CVE
https://access.redhat.com/errata/RHSA-2019:2043	CVE
https://access.redhat.com/errata/RHSA-2020:0036	CVE
https://access.redhat.com/errata/RHSA-2020:0103	CVE
https://access.redhat.com/errata/RHSA-2020:0179	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853	CVE	Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74	CVE	PatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6	CVE	PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html	CVE	Mailing ListThird Party Advisory
https://usn.ubuntu.com/3777-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/3777-2/	CVE	Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/09/02/1	CVE	Mailing ListPatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html	[email protected]
https://access.redhat.com/errata/RHSA-2019:2029	[email protected]
https://access.redhat.com/errata/RHSA-2019:2043	[email protected]
https://access.redhat.com/errata/RHSA-2020:0036	[email protected]
https://access.redhat.com/errata/RHSA-2020:0103	[email protected]
https://access.redhat.com/errata/RHSA-2020:0179	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853	[email protected]	Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74	[email protected]	PatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6	[email protected]	PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html	[email protected]	Mailing ListThird Party Advisory
https://usn.ubuntu.com/3777-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3777-2/	[email protected]	Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/09/02/1	[email protected]	Mailing ListPatchThird Party Advisory

see all 30 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-269	Improper Privilege Management	[email protected]
CWE-250	Execution with Unnecessary Privileges	[email protected]

Affected Products

Product	Versions
canonical ubuntu linux	16.04 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
debian debian linux	8.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.
linux linux kernel	< 4.18
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 21, 2020	CVE Modified	[email protected]
Jan 14, 2020	CVE Modified	[email protected]
Jan 7, 2020	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Aug 6, 2019	CVE Modified	[email protected]
May 20, 2019	CVE Modified	[email protected]
Nov 19, 2018	Initial Analysis	[email protected]
Oct 2, 2018	CVE Modified	[email protected]
Sep 12, 2018	CVE Modified	[email protected]

CVE-2018-10853 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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