CVE entry · CVE-2022-0995
CVE-2022-0995: Linux Kernel Out-of-Bounds Write Vulnerability
Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged access or cause a denial of service on the system.
- Actively exploited: added to CISA’s KEV catalog on August 26, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: August 29, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Linux Kernel, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
Other Linux vulnerabilities
-
Linux Kernel Out-of-Bounds Write Vulnerability
-
Linux Kernel Race Condition Vulnerability
-
Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
-
Linux Kernel Unspecified Vulnerability
-
Linux Kernel Improper Authentication Vulnerability
-
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability