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UNKNOWNKNOWN EXPLOITED

CVE-2021-22600

Linux Kernel Privilege Escalation Vulnerability

Published
2022-04-11
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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