CVE-2026-63971 sctp: fix race between sctp_wait_for_connect and peeloff

In the Linux kernel, the following vulnerability has been resolved: sctp: fix race between sctpwaitforconnect and peeloff sctpwaitforconnect drops and re-acquires the socket lock while waiting for the association to reach ESTABLISHED state. During this window, another thread can peeloff the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007286)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007286 advisory. In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into accoun...

kernel: Linux kernel: vsock vulnerability may lead to memory corruption

A flaw was found in the Linux kernel's vsock component. This vulnerability occurs when a connect operation on an already established socket is interrupted by a signal or timeout, causing the system to mishandle the socket's state. This incorrect handling can lead to a race condition, potentially...

kernel: Linux kernel: vsock vulnerability may lead to memory corruption

A flaw was found in the Linux kernel's vsock component. This vulnerability occurs when a connect operation on an already established socket is interrupted by a signal or timeout, causing the system to mishandle the socket's state. This incorrect handling can lead to a race condition, potentially...

CVE-2023-54280

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCPServerInfo::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in treeconnectdfstarget. Als...

UBUNTU-CVE-2023-54280

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCPServerInfo::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in treeconnectdfstarget. Als...

CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248 vsock: Ignore signal/timeout on connect() if already established

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248 vsock: Ignore signal/timeout on connect() if already established

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248

CVE-2025-40248 affects the Linux kernel vsock connect path, where signaling/timeout handling can race with established sockets, potentially causing use-after-free, sockmap state issues and linger behavior. Public advisories (MGASA-2026-0018 and vendor advisories) confirm a fix in kernel versions ...

EUVD-2025-201209

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

DEBIAN-CVE-2024-57974

In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect, there is a period during which a lookup operation might fail to fi...

UBUNTU-CVE-2024-57974

In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect, there is a period during which a lookup operation might fail to fi...

kernel: af_unix: Fix garbage collector racing against connect()

A flaw was found in the Linux kernel, where the management of inter-process communication uses AFUNIX sockets. The issue arises from a race condition where a partially initialized socket with specific permissions carrying SCMRIGHTS is improperly handled during garbage collection. This situation...

UBUNTU-CVE-2024-42152

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix a possible leak when destroy a ctrl during qp establishment In nvmetsqdestroy we capture sq-ctrl early and if it is non-NULL we know that a ctrl was allocated in the admin connect request handler and we need to release...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tls: fix race between async notify and socket close The submitting thread one which called recvmsg/sendmsg may exit as soon as the async crypto handler calls complete so any code past that point risks touching...

SUSE CVE-2024-26923

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that carries SCMRIGHTS, two consecutiv...

DEBIAN-CVE-2022-1247

An issue found in linux-kernel that leads to a race condition in roseconnect. The rose driver uses roseneigh-use to represent how many objects are using the roseneigh. When a user wants to delete a roseroute via roseioctl, the rose driver calls rosedelnode and removes neighbours only if their...

kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses

A use-after-free read flaw was found in sockgetsockopt in net/core/sock.c due to SOPEERCRED and SOPEERGROUPS race with listen and connect in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information...