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CRITICAL

CVE-2026-89478

CVSS v3

9.8

CRITICAL

Score EPSS

0.8 %

probabilité d’exploitation au 2026-09-28

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctp_rcv() resolves the transport once per packet and leaves it in chunk->transport. The lookup reference, or the one sctp_add_backlog() takes if the socket is owned by userspace, keeps it around until the chunk has been processed. An authenticated ASCONF DEL-IP can remove it in the meantime. sctp_assoc_rm_peer() takes the transport out of the association and calls sctp_transpor

Détails techniques

Publiée le
2026-09-11
Dernière modification
2026-09-13

Questions fréquentes

Qu’est-ce que CVE-2026-89478 ?

In the Linux kernel, the following vulnerability has been resolved: sctp: drop a chunk if its transport was removed sctp_rcv() resolves the transport once per packet and leaves it in chunk->transport. The lookup reference, or the one sctp_add_backlog() takes if the socket is owned by userspace, keeps it around until the chunk has been processed. An authenticated ASCONF DEL-IP can remove it in the meantime. sctp_assoc_rm_peer() takes the transport out of the association and calls sctp_transpor

CVE-2026-89478 est-elle activement exploitée ?

Aucune exploitation active de CVE-2026-89478 n’est confirmée. Son score EPSS était de 0.8 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2026-89478 ?

CVE-2026-89478 a un score de base CVSS v3 de 9.8 (gravité CRITICAL).

CVE-2026-89478 touche-t-elle votre environnement ?

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