Linux Distros Unpatched Vulnerability : CVE-2026-89554

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and ms...

CVE-2026-89554

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. When reconstructing a Multipath TCP MPTCP join request under SYN cookies, the localid field is not properly initialized. An off-path attacker can influence this uninitialized field by sending concurrent MPJOIN SYN requests...

DEBIAN-CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

AZL-100725 CVE-2026-89554 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

UBUNTU-CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

CVE-2026-89554 affects the Linux kernel's MPTCP (Multipath TCP) implementation. When reconstructing a MP_JOIN request under SYN cookies, mptcp_token_join_cookie_init_state() fails to restore the local_id field from the saved cookie entry. Because the request-sock slab is SLAB_TYPESAFE_BY_RCU and ...

CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

EUVD-2026-76465

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

PT-2026-90270

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Multipath TCP MPTCP implementation where the mptcp token join cookie init state function fails to restore the local id when rebuilding a request socket for an MP...

CVE-2026-89554: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2021-44320

Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service DoS attacks. An attacker can harm the device availability i.e., video streaming and control by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding...

CVE-2021-44320

Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service DoS attacks. An attacker can harm the device availability i.e., video streaming and control by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding...

CVE-2021-44320

Parrot AR.Drone versions 1 and 2 are susceptible to denial-of-service (DoS) attacks because they lack adequate mechanisms to prevent them. An attacker can perform an IPv4 flood attack , specifically verified as SYN flooding and UDP flooding , to disrupt device availability. Such attacks can compr...

PT-2026-86158

Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service DoS attacks. An attacker can harm the device availability i.e., video streaming and control by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding...

EUVD-2021-34875

Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service DoS attacks. An attacker can harm the device availability i.e., video streaming and control by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding...

CVE-2021-44320

Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service DoS attacks. An attacker can harm the device availability i.e., video streaming and control by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding...