PT-2026-65849 · Linux · Linux Kernel
CVE-2026-64559
·
Published
2026-07-29
·
Updated
2026-08-09
CVSS v3.1
7.8
High
| Vector | AV: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 s390/pkey component where the
PKEY VERIFYPROTK ioctl does not properly validate the length of the request structure provided by user-space. This can lead to a failure to detect when the request exceeds the allocated buffer size.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
Affected Products
Linux Kernel