Linux Kernel Authentication Flaw in Ceph Library
CVE-2026-22992

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 23 January 2026

What is CVE-2026-22992?

A vulnerability exists in the Linux kernel's Ceph library where authentication errors are not properly relayed back from the function 'mon_handle_auth_done()'. Despite the monitor believing authentication has been successful, underlying issues may compromise security. This can lead to subsequent attempts to establish a session inadvertently causing a null pointer dereference during cryptographic operations. Addressing this vulnerability is crucial to enhancing the integrity of authentication processes in systems utilizing the Ceph protocol.

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