CVE-2022-0995: Linux Kernel

What is CVE-2022-0995?

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.

CVSS7.8 NVD 3.1

SeverityHIGH

Exploitation In the wild In CISA KEV

EPSS6% · P93

Triage statusActive Exploit

ActionPatch immediately

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWECWE-787, CWE-787

NVD published2022-03-25

NVD last modified2026-08-27

Timeline

2022-03-25Published to the U.S. National Vulnerability Database (NVD)
2026-08-26Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-08-27NVD record last updated
2026-09-09CISA federal remediation deadline (BOD 22-01)

CISA Known Exploited Vulnerability

Linux Kernel Out-of-Bounds Write Vulnerability

Added to KEV2026-08-26

Federal patch deadline2026-09-09

Known ransomware useUnknown

Affected product

Linux Kernel

NVD also lists CPE entries for: Netapp H300e Firmware, Netapp H300e, Netapp H300s Firmware, Netapp H300s, Netapp H410c Firmware

Remediation Steps

Apply the vendor security update for Linux Kernel as a priority.
Restrict network exposure of the affected service to trusted sources until patched.
Review logs and detections for indicators of exploitation.
Confirm fixed versions against the official vendor advisory before deploying.

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 4 of August 2026 (August 24 – 30)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.