9.8

CVE-2026-80586

mptcp: options: reset DSS fields in case of unexpected size

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 15e35fdad7a5576bf3f1c8d688877aeb5d1b506b
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < b1256090816ec46011601e084be580731df58fc7
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 192878df582c51d440bf7b91a15f297f29f2b596
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 26dac5c9ffb20812b475fdf253eb04fab99cff3b
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 4e80eff5c1c893aca2ac1d202f0b256d2e52ecde
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 1fade1b2ac5b1a4948e538fae7313bea57b5ac36
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 27ed642a4e7e4b5df4b8522c72c457a67e052493
Status affected
Version 648ef4b88673dadb8463bf0d4b10fbf33d55def8
Version < 35772b4981f38ba8059372cde8753e8e477e98ec
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.6
Status affected
Version 0
Version < 5.6
Status unaffected
Version <= 5.10.*
Version 5.10.266
Status unaffected
Version <= 5.15.*
Version 5.15.217
Status unaffected
Version <= 6.1.*
Version 6.1.184
Status unaffected
Version <= 6.6.*
Version 6.6.153
Status unaffected
Version <= 6.12.*
Version 6.12.105
Status unaffected
Version <= 6.18.*
Version 6.18.46
Status unaffected
Version <= 7.1.*
Version 7.1.10
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.334
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/15e35fdad7a5576bf3f1c8d688877aeb5d1b506b
https://git.kernel.org/stable/c/b1256090816ec46011601e084be580731df58fc7
https://git.kernel.org/stable/c/192878df582c51d440bf7b91a15f297f29f2b596
https://git.kernel.org/stable/c/26dac5c9ffb20812b475fdf253eb04fab99cff3b
https://git.kernel.org/stable/c/4e80eff5c1c893aca2ac1d202f0b256d2e52ecde
https://git.kernel.org/stable/c/1fade1b2ac5b1a4948e538fae7313bea57b5ac36
https://git.kernel.org/stable/c/27ed642a4e7e4b5df4b8522c72c457a67e052493
https://git.kernel.org/stable/c/35772b4981f38ba8059372cde8753e8e477e98ec