CVE-2026-74586

CVE-2026-74586 — SCTP ASCONF newtransport use-after-free trigger A self-contained, unprivileged PoC for CVE-2026-74586, a use-after-free in the Linux kernel's SCTP ASCONF dynamic address reconfiguration handling. Credit for the bug itself goes to Qing Ming, who reported it upstream; the fix is...

Exploit for CVE-2026-74586

CVE-2026-74586 — SCTP ASCONF newtransport use-after-free trig...

SUSE CVE-2026-74586

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

CVE-2026-74586

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

UBUNTU-CVE-2026-74586

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

CVE-2026-74586 sctp: clear new_transport when removing a peer

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

EUVD-2026-64523

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

CVE-2026-74586 sctp: clear new_transport when removing a peer

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

CVE-2026-74586

CVE-2026-74586 is a use-after-free in the Linux kernel's SCTP subsystem. When an authenticated remote SCTP peer sends an ASCONF that both adds and removes a transport (via wildcard DEL-IP) in the same chunk, asoc->new_transport is left pointing to the freed transport without a reference held. ...

Linux Distros Unpatched Vulnerability : CVE-2026-74586

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCON...

CVE-2025-38461 vsock: Fix transport_* TOCTOU

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport TOCTOU Transport assignment may race with module unload. Protect newtransport from becoming a stale pointer. This also takes care of an insecure call in vsockuselocaltransport; add a lockdep assert. BUG: unab...