Firetruck

CVE-2021-22600

KEV
Updated Oct 21, 2025 · PUBLISHED
View KEV entry →

Description

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.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
KernelLinux Kernel / Kernel>= unspecified, < 5.4.168affected
KernelLinux Kernel / Kernel>= unspecified, < 5.10.88affected
KernelLinux Kernel / Kernel>= unspecified, < 5.15.11affected
KernelLinux Kernel / Kernel>= unspecified, < 5.16-rc6affected