Known Exploited Vulnerabilities April 11, 2022 · CISA KEV Catalog

CVE-2021-22600: Linux Kernel Privilege Escalation Vulnerability

Linux Kernel contains a flaw in the packet socket (AF_PACKET) implementation which could lead to incorrectly freeing memory. A local user could exploit this for denial-of-service (DoS) or possibly for privilege escalation.

Read the original at CISA KEV Catalog ↗

Topics

Vulnerabilities & Patching

Mentions

CVE-2021-22600Linux

Related

CVE-2026-46300: Linux Kernel Missing Initialization of a Variable Vulnerability Known Exploited Vulnerabilities · Oct 28, 2026

CVE-2025-39682: Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability Known Exploited Vulnerabilities · Sep 18, 2026

CVE-2026-53266: Linux Kernel Out-of-Bounds Write Vulnerability Known Exploited Vulnerabilities · Sep 18, 2026