Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC + Data. In this case, the first suboption will be ignored, but leaving some fields written, which could lead to inconsistency or access uninitialized data. Explicitly reset the fields that could have been modified in case of unexpected size.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
| Date | Total | Labels |
|---|
| 2026-08-26 | 1 | General1 |
| 2026-08-27 | 2 | Patch2 |
CVE-2026-80586 Linux Kernel MPTCP Vulnerability https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-80586
Post summary
The brief excerpt references CVE‑2026‑80586 as a Linux Kernel MPTCP vulnerability and points to a detail page, but offers no technical, exploit, or patch information.
🚨*CVE* CVE-2026-80586 In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed… https://www.cve.org/CVERecord?id=CVE-2026-80586 ----- Traducción: CVE-2026-80586 En … https://infoflow.cloud`
Post summary
CVE-2026-80586 has been patched in the Linux kernel; no PoC or active exploitation is reported.
CVE-2026-80586 In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed… https://www.cve.org/CVERecord?id=CVE-2026-80586
Post summary
The notice announces that CVE-2026-80586, affecting MPTCP in the Linux kernel, has been resolved with a patch that resets DSS fields; no exploit or PoC details are provided.