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CVE-2026-64558: Linux 6.12
CVE-2026-64558. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.0012 (percentile 0.01676), scored 15-Oct-2026.
Affected technology
Linux · 8fcc231ce3bea12b78bb94b280cdc03cff342435 to before 02028a24e26d85262ab9c8fc4344e1f3503007fc, 8fcc231ce3bea12b78bb94b280cdc03cff342435 to before 433e5e70cdc1edf382d28d08a885b22e2b98b7da, 8fcc231ce3bea12b78bb94b280cdc03cff342435 to before 614aa0491c7a190556c2345dddee0b6f5ed90989, 8fcc231ce3bea12b78bb94b280cdc03cff342435 to before 1ac287e2af9a9112fe271427ef45eceb26bce8b4
Linux
Linux · 6.12
Linux
Component: Not specified by the source
Function: fails
File: drivers/s390/crypto/pkey_pckmo.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.0012 · percentile 0.01676 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 16:55:38.548135+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-64558.html