Advisory severityMedium5.5Red Hat Linux

Medium [CVE-2022-2153] flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ

This medium-severity Red Hat Linux advisory covers CVE-2022-2153 affecting Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2022-2153 Source published Aug 31, 2022Source updated Mar 25, 2022

VulniPulse record published Oct 14, 2026

CVE-2022-2153

Affected products & platforms

Red Hat LinuxLinux Kernel

Open source advisory

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Summary

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference.

This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-476. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.

Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat fixing advisory: RHSA-2022:7444, RHSA-2022:7683, RHSA-2022:8267, RHSA-2022:7933.

Affected products named by the advisory: Red Hat package: kernel-rt.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

Fixed versions

kernel-rt-0:4.18.0-425.3.1.rt7.213.el8
kernel-0:4.18.0-425.3.1.el8
kernel-0:5.14.0-162.6.1.el9_1
kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1
RHSA-2022:7444
RHSA-2022:7683
RHSA-2022:8267
RHSA-2022:7933

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2022-2153NVD CVE.org MITRE

Discussion(0)

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