BaseFortify

Publication date: 2026-01-23

Last updated on: 2026-04-27

Assigner: kernel.org

Description

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 ]

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-23

Last Modified

2026-04-27

Generated

2026-07-06

AI Q&A

2026-01-23

EPSS Evaluated

2026-07-05

NVD

CVE-2026-22984

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.11 (inc) to 5.15.198 (exc)
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	From 6.13 (inc) to 6.18.6 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.6.121 (exc)
linux	linux_kernel	From 6.7 (inc) to 6.12.66 (exc)
linux	linux_kernel	From 5.16 (inc) to 6.1.161 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability in the Linux kernel's libceph component involves a potential out-of-bounds read in the handle_auth_done() function. It occurs because there was no explicit bounds check on the payload_len parameter, which could lead to accessing memory outside the intended buffer.

Impact Analysis

The vulnerability could lead to out-of-bounds memory reads, which might cause system instability, crashes, or potentially expose sensitive information from memory. This could be exploited to compromise system security or cause denial of service.

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