CVE-2026-23331 udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected.

In the Linux kernel, the following vulnerability has been resolved: udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected. Let's say we bind an UDP socket to the wildcard address with a non-zero port, connect it to an address, and disconnect it from the address. bind sets...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21670)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21670 advisory. - In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is...

PT-2025-43393

Name of the Vulnerable Software and Affected Versions versions prior to kernel release containing the fix affected versions not specified Description A flaw exists where the kernel does not properly validate the connection state of sockets when adding them to load-balancing groups created using t...

FreeBSD-SA-25:09.netinet

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-25:09.netinet Security Advisory The FreeBSD Project Topic: SOREUSEPORTLB breaks connect2 for UDP sockets Category: core Module: netinet Announced: 2025-10-22...

Linux Distros Unpatched Vulnerability : CVE-2023-32269

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the Linux kernel before 6.1.11. In net/netrom/afnetrom.c, there is a use- after-free because accept is also allowed for a successfull...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: sockmap, vsock: For connectible sockets allow only connected sockmap expects all vsocks to have a transport assigned, which is expressed in vsockproto::psockupdateskprot. However, there is an edge case where an unconnected...

sockmap, vsock: For connectible sockets allow only connected

...

SUSE CVE-2025-21670

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

UBUNTU-CVE-2025-21670

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

CVE-2025-21670 vsock/bpf: return early if transport is not assigned

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

An issue was discovered in the Linux kernel before 6.1.11. In net/netrom/af_netrom.c there is a use-after-free because accept is also allowed for a successfully connected AF_NETROM socket. However in order for an attacker to exploit this the system must have netrom routing configured or the attacker must have the CAP_NET_ADMIN capability.

...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: net/ulp: use-after-free in listening ULP sockets

A use-after-free flaw was found in the Linux kernel’s TLS protocol functionality in how a user installs a tls context struct tlscontext on a connected TCP socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

OpenJDK: DatagramSocket connected socket missing source check (Libraries, 8039509)

It was discovered that the DatagramSocket implementation in OpenJDK failed to perform source address checks for packets received on a connected socket. A remote attacker could use this flaw to have their packets processed as if they were received from the expected source...

OpenShift: /proc/net/tcp information disclosure

It was found that OpenShift Enterprise did not restrict access to the /proc/net/tcp file in gears, which allowed local users to view all listening connections and connected sockets. This could result in remote system's IP or port numbers in use to be exposed, which may be useful for further...