CVE-2026-22984 CRITICAL

CVE-2026-22984: libceph: prevent potential out-of-bounds reads in handle_auth_done()

Vendor Linux
Product Linux
Published January 23, 2026
Last update May 11, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: changelog ]

Key dates

02Disclosure timeline

January 23, 2026 CVE published
May 11, 2026 Record updated