CVE-2022-0995: Linux Kernel Out-of-Bounds Write Vulnerability

What it is

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.

What to do

Schedule the vendor fix into this week’s change window, prioritising internet-facing and business-critical systems. Confirm the fix is applied everywhere, not just where it was easy.

Priority

This week: Schedule into this week’s change window.

Severity (CVSS)

7.8 high

CISA assessment (SSVC)

actively exploited; needs manual effort per target; total control of the affected system

Exploit probability (EPSS, 30 days)

8.8%, higher than 95% of all CVEs

Added to CISA KEV

26 August 2026

CISA fix-by date

29 August 2026 (US federal agencies; a sensible deadline for everyone)

Ransomware use

Not known

Weakness

CWE-787

References

• NIST NVD entry
• CISA KEV entry
• bugzilla.redhat.com/show_bug.cgi?id=2063786
• git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d
• security.netapp.com/advisory/ntap-20220429-0001/

Sources: CISA Known Exploited Vulnerabilities · FIRST Exploit Prediction Scoring System (EPSS) · NIST National Vulnerability Database · CISA Vulnrichment (SSVC), via the CVE Program. This product uses data from the NVD API but is not endorsed or certified by the NVD. Summaries are machine-written from CISA’s description; treat the vendor’s advisory as the authority for fixes.