A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
CVE-2022-1852
Score 5.5 from GitHub Security Advisory published 2022-07-01. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: 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 computedSeverity55% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 23%
- KEV
- Not listed
Published
June 30, 2022
Last Modified
November 21, 2024
References (4)
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2089815
- secalert@redhathttps://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2089815
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9
Vendor Advisories for CVE-2022-1852(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2022:8267Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2022:7933Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2022:7683Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2022:7444Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel-rt security and bug fix update
Patch Availability(11)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-raspi (5.15.0.1014.13) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | linux-headers-lowlatency-64k-hwe-20.04-edge (5.15.0.48.54~20.04.16) @ focal | 2026-05-25 | ubuntu |
| ubuntu | linux-headers-oem-22.04 (5.17.0.1013.12) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | linux-buildinfo-5.15.0-1019-aws (5.15.0-1019.23~20.04.1) @ focal | 2026-05-25 | ubuntu |
| ubuntu | linux-oracle (5.15.0.1017.15) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | linux-tools-5.15.0-1015-intel-iotg (5.15.0-1015.20) @ jammy | 2026-05-25 | ubuntu |
| redhat | kernel-0:4.18.0-372.100.1.el8_6 | 2024-04-18 | redhat |
| redhat | kernel-0:5.14.0-162.6.1.el9_1 | 2022-11-15 | redhat |
| redhat | kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1 | 2022-11-15 | redhat |
| redhat | kernel-0:4.18.0-425.3.1.el8 | 2022-11-08 | redhat |
| redhat | kernel-rt-0:4.18.0-425.3.1.rt7.213.el8 | 2022-11-08 | 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
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (13 versions) | 5.10.120-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.18.2-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(8)
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.
- Microsoft MSRCCVE-2022-18522022-07-09
A NULL pointer dereference flaw was found in the Linux kernel’s KVM module which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
- Red HatRHSA-2024:1877MODERATE2022-06-01
RHSA-2024:1877 — Moderate
- UbuntuUSN-5529-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-5594-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5599-1MEDIUM
Linux kernel (Oracle) vulnerabilities
- UbuntuUSN-5602-1MEDIUM
Linux kernel (Raspberry Pi) vulnerabilities
- UbuntuUSN-5616-1MEDIUM
Linux kernel (Intel IoTG) vulnerabilities
- UbuntuUSN-5623-1MEDIUM
Linux kernel (HWE) vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 28× 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 148 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 10:18 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:03 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 20:40 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
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- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 16:57 UTCOSV refresh
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:07 UTCEG score recompute
- 2026-07-22 22:54 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-17 04:54 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 03:02 UTCOSV refresh
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-1852?
When was CVE-2022-1852 disclosed?
Is CVE-2022-1852 actively exploited?
What is the CVSS score of CVE-2022-1852?
How do I remediate CVE-2022-1852?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-1852
Is Your Infrastructure Affected by CVE-2022-1852?
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