DEBIAN-CVE-2026-63824

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-63824
Published: 19 Jul 2026, 12:16
Last modified:21 Jul 2026, 09:00

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jul 2026, 12:16
Published
Vulnerability first disclosed
21 Jul 2026, 09:00
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    all | < 6.1.177-1 | < 6.12.95-1 | < 7.1.3-1

References (1)