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CVE-2026-63926: Linux 4.20
CVE-2026-63926. CVSS 3.1 base score 8.4 (HIGH, Source advisory). EPSS 0.00185 (percentile 0.0755), scored 15-Oct-2026.
Affected technology
Linux · 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before f14609d8146707452e0822f3c8154674ce677251, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before d81b323af2dcee47573907ccb89c0df9b45cb2e2, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before aeb95146848d12206e1b2cfacd4f40e21ce81d94, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before 96b72672ce849a1402730238e64d9b20bf06a96d, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before 3075c21d2d76c0067f4a382765b43d6cc10470f1, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before 5e19028667963fb371ebb00cecc2a473ef92056b, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before 63f64a510c7917658ddf4d073ece73914ee25346, 6fff607e2f14bd7c63c06c464a6f93b8efbabe28 to before f72eed9b84fb771019a955908132410a9ba9ea3f
Linux
Linux · 4.20
Linux
Component: Not specified by the source
File: net/core/filter.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 8.4/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 33.6 /100 (P4)
- CVSS 3.1
- 8.4 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00185 · percentile 0.0755 · 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-2026-63926.html