PT-2026-65848 · Linux · Linux Kernel

CVE-2026-64558

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Published

2026-07-29

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Updated

2026-08-09

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the pkey pckmo implementation of the key to protkey() handler function. The function fails to explicitly check the length of the target buffer, which can lead to a failure if the generated output data exceeds the provided buffer length.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2026-64558
OPENSUSE-SU-2026:11476-1

Affected Products

Linux Kernel