PT-2026-93544

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.3 and later Description An issue exists in the LoongArch architecture where the rethook trampoline incorrectly saves and restores the $r21 $u0 register, which serves as the percpu base. When rethook trampoline handler...

CVE-2026-52929

In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADDOUTSTREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt. That leaves removed stream metadata behind, so a later re-add can reuse a stale ext a...

UBUNTU-CVE-2026-52924

In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctpstreamupdate is only invoked when the association is moved into COOKIEWAIT during association setup/reconfiguration. In this path, the outbound stream scheduler state...