CVE-2026-64045

A flaw was found in the Linux kernel's OpenVPN ovpn TCP module. A race condition in the ovpntcpclose function allows it to access memory after it has been freed. This vulnerability arises when the function attempts to use a socket peer pointer after its associated socket object has been...

EUVD-2026-45618

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - use cached peer pointer in ovpntcpclose ovpntcpclose loads the ovpnsocket via rcudereferenceskuserdata under rcureadlock, takes a reference on sock-peer, caches the peer pointer in a local, and drops the read lock. It...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the OpenVPN TCP transmission process. When the socket is closed in the user space, the...

PT-2026-61321

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the net/iucv component when recvmsg is called simultaneously with getsockoptSO MSGSIZE. An AF IUCV HIPER user can trigger a NULL pointer dereference because th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007556)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007556 advisory. In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close Netlink supports iterative dumping of data. I...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to clear the error queue during the socket destruction function. This vulnerability m...

kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion

A flaw was found in the Linux kernel's Asynchronous Transfer Mode ATM Classical IP CLIP module. A local user can trigger an infinite recursive call in the clippush function by repeatedly calling the ioctlATMARPMKIP system call. This vulnerability occurs when the socket is closed, leading to stack...

kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion

A flaw was found in the Linux kernel's Asynchronous Transfer Mode ATM Classical IP CLIP module. A local user can trigger an infinite recursive call in the clippush function by repeatedly calling the ioctlATMARPMKIP system call. This vulnerability occurs when the socket is closed, leading to stack...

kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion

A flaw was found in the Linux kernel's Asynchronous Transfer Mode ATM Classical IP CLIP module. A local user can trigger an infinite recursive call in the clippush function by repeatedly calling the ioctlATMARPMKIP system call. This vulnerability occurs when the socket is closed, leading to stack...

CVE-2026-23179

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fixup hang in nvmettcplistendataready When the socket is closed while in TCPLISTEN a callback is run to flush all outstanding packets, which in turns calls nvmettcplistendataready with the skcallbacklock held. So we ne...

SUSE CVE-2026-23179

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fixup hang in nvmettcplistendataready When the socket is closed while in TCPLISTEN a callback is run to flush all outstanding packets, which in turns calls nvmettcplistendataready with the skcallbacklock held. So we ne...

CVE-2026-23179

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fixup hang in nvmettcplistendataready When the socket is closed while in TCPLISTEN a callback is run to flush all outstanding packets, which in turns calls nvmettcplistendataready with the skcallbacklock held. So we ne...

CVE-2026-23179

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fixup hang in nvmettcplistendataready When the socket is closed while in TCPLISTEN a callback is run to flush all outstanding packets, which in turns calls nvmettcplistendataready with the skcallbacklock held. So we ne...

kernel: Linux kernel: Denial of Service in ATM CLIP module via infinite recursion

A flaw was found in the Linux kernel's Asynchronous Transfer Mode ATM Classical IP CLIP module. A local user can trigger an infinite recursive call in the clippush function by repeatedly calling the ioctlATMARPMKIP system call. This vulnerability occurs when the socket is closed, leading to stack...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005115)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005115 advisory. In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use after free in iucvsockclose iucvseverpath is called from process context and fr...

PT-2026-27759

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the af unix subsystem related to garbage collection GC and the interaction with the MSG PEEK flag. Specifically, the GC mechanism could incorrectly...

EUVD-2022-55860

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

EUVD-2025-203650

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close accepted socket when per-IP limit rejects connection When the per-IP connection limit is exceeded in ksmbdkthreadfn, the code sets ret = -EAGAIN and continues the accept loop without closing the just-accepted socket...

kernel: udp: Fix memory accounting leak.

A memory overflow vulnerability exists within the Linux kernel's networking subsystem. Specifically, an application can set the SORCVBUF socket option to its maximum value INTMAX, which triggers an integer overflow within the udprmemrelease function during socket closure. The udpdestructcommon...

Siemens SIMATIC S7-1500 Improper Handling of Exceptional Conditions (CVE-2024-53140)

In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close Netlink supports iterative dumping of data. It provides the families the following ops: - start - optional kicks off the dumping process - dump - actual dump helper, keeps getti...