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CVE-2026-63939: Linux 6.11
CVE-2026-63939. CVSS 3.1 base score 9.3 (CRITICAL, Source advisory). EPSS 0.00212 (percentile 0.10682), scored 15-Oct-2026.
Affected technology
Linux · 9b54e248d2644be71cb394eb85f31ad99e023a05 to before 6ca9400d36005ffdca25f80186bea781c7e1dc4c, 9b54e248d2644be71cb394eb85f31ad99e023a05 to before 9f0a9e780f02c02d025a190f1885e1d1d73b87bd, 9b54e248d2644be71cb394eb85f31ad99e023a05 to before 6644565527c4c5f507088b1c9ddf72de47790b68, 9b54e248d2644be71cb394eb85f31ad99e023a05 to before 5867d7e202e09f037cefe77f7af4413c7c0fa088
Linux
Linux · 6.11
Linux
Component: Not specified by the source
File: arch/x86/kvm/svm/sev.c
Attack conditions (Source advisory, CVSS 3.1): Local · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 37.3 /100 (P4)
- CVSS 3.1
- 9.3 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00212 · percentile 0.10682 · 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-2026-63939.html