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.
CVE-2018-10853
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.0; sources differ by 0.8.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.0
- EG Score
- 7.8(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 39%
- KEV
- Not listed
Published
September 11, 2018
Last Modified
November 21, 2024
References (30)
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:2029
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:2043
- secalert@redhathttps://access.redhat.com/errata/RHSA-2020:0036
- secalert@redhathttps://access.redhat.com/errata/RHSA-2020:0103
- secalert@redhathttps://access.redhat.com/errata/RHSA-2020:0179
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853
- secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74
- secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6
- secalert@redhathttps://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
- secalert@redhathttps://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
- secalert@redhathttps://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- secalert@redhathttps://usn.ubuntu.com/3777-1/
- secalert@redhathttps://usn.ubuntu.com/3777-2/
- secalert@redhathttps://www.openwall.com/lists/oss-security/2018/09/02/1
Vendor Advisories for CVE-2018-10853(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-unsigned-4.15.0-36-lowlatency (4.15.0-36.39~16.04.1) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-unsigned-4.15.0-36-lowlatency (4.15.0-36.39) @ bionic | 2026-05-28 | ubuntu |
| redhat | kernel-0:3.10.0-957.43.1.el7 | 2020-01-21 | redhat |
| redhat | kernel-0:3.10.0-693.62.1.el7 | 2020-01-14 | redhat |
| redhat | kernel-0:3.10.0-862.46.1.el7 | 2020-01-07 | redhat |
| redhat | kernel-rt-0:3.10.0-1062.rt56.1022.el7 | 2019-08-07 | redhat |
| redhat | kernel-0:3.10.0-1062.el7 | 2019-08-06 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(6 across 5 ecosystems)
Debian:8(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 3.16.36-1 ... 3.16.7-ckt9-3~deb8u1~bpo70+1 (58 versions) | 3.16.57-1 | — |
| linux-4.9 | — | 4.9.110-1~deb8u1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.16.16-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.16.16-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.16.16-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.16.16-1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(5)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 6× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 137 total refreshes for this CVE.
- 2026-09-07 15:56 UTCEPSS rescore
- 2026-09-05 15:24 UTCEPSS rescore
- 2026-09-04 13:56 UTCEPSS rescore
- 2026-09-04 05:02 UTCEPSS rescore
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- 2026-08-23 00:14 UTCEPSS rescore
- 2026-08-22 10:07 UTCOSV refresh
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
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- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-06 13:10 UTCOSV refresh
- 2026-08-05 19:13 UTCEPSS rescore
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- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:32 UTCEG score recompute
- 2026-07-22 22:12 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-21 06:17 UTCOSV refresh
- 2026-07-20 17:04 UTCEPSS rescore
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- 2026-07-18 10:01 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
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- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
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- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 01:26 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-22 14:23 UTCEPSS rescore
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- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-15 13:13 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
Frequently asked(5)
What is CVE-2018-10853?
When was CVE-2018-10853 disclosed?
Is CVE-2018-10853 actively exploited?
What is the CVSS score of CVE-2018-10853?
How do I remediate CVE-2018-10853?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-10853
Is Your Infrastructure Affected by CVE-2018-10853?
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