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CVE-2026-80588: Linux 6.19
CVE-2026-80588. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00609 (percentile 0.48004), scored 15-Oct-2026.
Affected technology
Linux · a84164847b1e0a106ebc46821e5d2f9b775c9dc8 to before 473f1a5ab2abc98dd9e74b95b9c23c66c47535cc, 9db5b3cec4ec1c0cd3239689f5c8653d691a1754 to before 8277f48a06d3aa1441f6d0b6998ccc0360d30ed8, 9db5b3cec4ec1c0cd3239689f5c8653d691a1754 to before 41b49a8b914ec7dcb03eae93fb27f3c464078644, 6.18.35 to before 6.18.46
Linux
Linux · 6.19
Linux
Component: Not specified by the source
File: net/mptcp/protocol.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00609 · percentile 0.48004 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 20:20:42.059737+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-80588.html