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CVE-2026-80586

Linux kernel

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.

CVSS 9.8EPSS 0.404%Risque 1.02
Voir la source
Publication
2026-08-26 15:17:14
Versions concernées
unknown
Type
Noyau
Dernière modification
2026-08-27 06:17:45
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H