CVE-2022-0995
Linux Kernel Out-of-Bounds Write Vulnerability
IN CISA KEV
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.
- Vendor
- Linux
- Product
- Kernel
- CVSS 3.1
- 7.8 (high), scored by NVD (primary)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1
- 7.8 (high), scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-787
- Published
- 2022-03-25
- NVD modified
- 2026-08-27
- NVD status
- Analyzed
CISA KEV
- Date added
- 2026-08-26
- Due date
- 2026-08-29
- Ransomware use
- Unknown
- Required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
EPSS
8.86% chance of exploitation in the next 30 days (percentile 95th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
References
- bugzilla.redhat.com (Issue Tracking, Patch, Third Party Advisory)
- git.kernel.org (Patch, Vendor Advisory)
- security.netapp.com (Third Party Advisory)
- bugzilla.redhat.com (Issue Tracking, Patch, Third Party Advisory)
- git.kernel.org (Patch, Vendor Advisory)
- security.netapp.com (Third Party Advisory)
- www.cisa.gov (US Government Resource)
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.