CVE-2019-7489

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CVE-2026-80587

CVE-2026-80587 affects the MPTCP (Multipath TCP) subsystem of the Linux kernel . According to RFC 8684, several MPTCP suboptions are mutually exclusive, but the kernel's input path did not enforce these restrictions the way the output path did via mptcp_write_options. A remote peer (buggy or mali...

CVE-2026-80588

CVE-2026-80588 affects the Linux kernel mptcp (Multipath TCP) subsystem. After commit 9db5b3cec4ec introduced borrowing of forward memory from subflows, errors in the receive path prior to queueing skbs into the receive queue no longer trigger forward-allocated memory reclaiming. This can cause f...

CVE-2026-80586

CVE-2026-80586 affects the MPTCP (Multipath TCP) options parser in the Linux kernel. When a remote peer sends a malformed DSS (Data Sequence Number) suboption with an incorrect size , followed by another DSS or MPC + Data, the first suboption is ignored but leaves residual fields written. This ca...

CVE-2026-80585

CVE-2026-80585 affects the Linux kernel MPTCP (Multipath TCP) fastopen subsystem. The root cause is that mptcp_fastopen_subflow_synack_set_params() set the is_mptfo flag before verifying that SYN data was actually queued in the receive queue. For passive TCP Fast Open SYNs carrying a valid cookie...

multi_path

multipath - Exploit für p0 Issue 1558 CVE-2018-4241 @i41nbeer mptcpusrconnectx ist der Handler für den connectx-Systemaufruf für die APMULTIPATH Socket-Familie. Die Logik dieser Funktion behandelt Quell- und Ziel-Sockaddr, die weder AFINET noch AFINET6 sind, nicht korrekt: root@kitploit: // verif...

The vulnerability in the `net/mptcp/pm_kernel.c` component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the net/mptcp/pmkernel.c component of the Linux operating system’s kernel is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerabilities of Linux operating system’s kernel mptcp components, which allow a hacker to cause a service failure

The vulnerability of Linux operating system’s mptcp kernel components is related to memory initialization errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2026-68170

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: fix stale skb-sk reference on subflow close The backlog list is updated by mptcpdataready under mptcpdatalock. The cleanup of backlog references to a...

CVE-2026-68170

A flaw was found in the Linux kernel's Multipath TCP MPTCP feature. A timing issue, or race condition, can occur when a subflow is being closed, leading to a situation where the system attempts to use memory that has already been freed. This 'use-after-free' vulnerability arises because concurren...

CVE-2026-68169

A flaw was found in the Linux kernel's Multipath TCP MPTCP subsystem. A race condition in the mptcppmuserspacegetlocalid function allows a memory address entry to be freed while still being referenced. A local attacker could exploit this use-after-free vulnerability, potentially leading to a syst...

UBUNTU-CVE-2026-68170

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix stale skb-sk reference on subflow close The backlog list is updated by mptcpdataready under mptcpdatalock. The cleanup of backlog references to a closing subflow, however, was performed in mptcpclosessk, before...

CVE-2026-68170

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix stale skb-sk reference on subflow close The backlog list is updated by mptcpdataready under mptcpdatalock. The cleanup of backlog references to a closing subflow, however, was performed in mptcpclosessk, before...

CVE-2026-68169

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in getlocalid In mptcppmuserspacegetlocalid, the address entry is looked up under spinlock, but its id is read after dropping the lock. A concurrent deletion can free the entry between the...

UBUNTU-CVE-2026-68169

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in getlocalid In mptcppmuserspacegetlocalid, the address entry is looked up under spinlock, but its id is read after dropping the lock. A concurrent deletion can free the entry between the...

CVE-2026-68170 mptcp: fix stale skb->sk reference on subflow close

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix stale skb-sk reference on subflow close The backlog list is updated by mptcpdataready under mptcpdatalock. The cleanup of backlog references to a closing subflow, however, was performed in mptcpclosessk, before...

CVE-2026-68169

The CVE-2026-68169 entry documents a race in Linux kernel mptcp_pm_userspace_get_local_id() where an address entry is looked up under a spinlock but its id is read after the lock is released, allowing a concurrent delete to free the entry and cause a use-after-free. Concrete details show the issu...

CVE-2026-68169 mptcp: pm: userspace: fix use-after-free in get_local_id

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in getlocalid In mptcppmuserspacegetlocalid, the address entry is looked up under spinlock, but its id is read after dropping the lock. A concurrent deletion can free the entry between the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcpschedulework syzbot reported a use-after-free in mptcpschedulework 1 The issue arises from mptcpschedulework scheduling a task, then checking the refcount of sk-skrefcnt if the task was...

Linux Distros Unpatched Vulnerability : CVE-2026-68169

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: pm: userspace: fix use-after-free in getlocalid In mptcppmuserspacegetlocalid, the address entry is looked up under spinlock, but its id is read after...