VULNERABILITY INTELLIGENCE

CVE-2026-63824

CVSS score7.8 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-07-19
Last modified2026-10-22
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787

Primary references