Netty epoll transport denial of service via RST on half-closed TCP connection

Summary Netty's epoll transport fails to detect and close TCP connections that receive a RST after being half-closed, leading to stale channels that are never cleaned up and, in some code paths, a 100% CPU busy-loop in the event loop thread. Affected versions All versions of 4.2.x...

SUSE CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

PT-2026-38280

Name of the Vulnerable Software and Affected Versions Netty versions 4.2.0.Final through 4.2.12.Final Description Netty's epoll transport fails to detect and close TCP connections that receive a RST after being half-closed. This occurs when a connection has ALLOW HALF CLOSURE enabled or is in a...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

PT-2026-36356

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the USB gadget HID function where list and spinlock initializations were performed during the bind process. Specifically, queues registered via poll wait were...

Security Bulletin: Vulnerabilities in kernel affects IBM Netezza Appliance

Summary The kernel package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2023-53373, CVE-2025-38556, CVE-2025-38614, CVE-2025-39757 Vulnerability Details CVEID:CVE-2023-53373 DESCRIPTION: In the Linux kernel, the following vulnerability has been...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006642)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006642 advisory. In the Linux kernel, the following vulnerability has been resolved: list: fix a data-race around ep-rdllist eppoll first calls epeventsavailable with no lock held an...

SUSE CVE-2026-23253

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvbdvropen calls dvbringbufferinit when a new reader opens the DVR device. dvbringbufferinit calls initwaitqueuehead, which reinitializes the waitqueue list head...

CVE-2026-23253

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvbdvropen calls dvbringbufferinit when a new reader opens the DVR device. dvbringbufferinit calls initwaitqueuehead, which reinitializes the waitqueue list head...

CVE-2026-23253

CVE-2026-23253 affects the Linux kernel dvb-core/dvb_dvr_open path where reinitializing the shared dvr_buffer waitqueue via dvb_ringbuffer_init() could leave stale waitqueue entries. The fix uses direct data/size assignment and calls dvb_ringbuffer_reset() instead, avoiding waitqueue/spinlock tou...

NewStart CGSL MAIN 6.06 (SP) : postfix Multiple Vulnerabilities (NS-SA-2026-0024)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has postfix packages installed that are affected by multiple vulnerabilities: - The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods ar...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2025-38614)

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Fix semi-unbounded recursion Ensure that epoll instances can never form a graph deeper than EPMAXNESTS+1 links. Currently, eploopcheckproc ensures that the graph is loop-free and does some recursion depth checks, but...

K000159873: Linux kernel vulnerability CVE-2025-39881

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: kernfs: Fix UAF in polling when open file is released A use-after-free UAF vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-free in...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000659)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000659 advisory. The epollctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLLCTLADD operations, which allows local user...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002269)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002269 advisory. The epollctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLLCTLADD operations, which allows local user...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001785 advisory. The epollctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLLCTLADD operations, which allows local user...

MiracleLinux 3 : kernel-2.6.18-308.1.AXS3 (AXSA:2012-487:03)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2012-487:03 advisory. The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the operating system:...

MiracleLinux 4 : kernel-2.6.32-279.AXS4 (AXSA:2012-749:06)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2012-749:06 advisory. The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the operating...

Astra Linux - уязвимость в linux-6.12

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000512)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000512 advisory. In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the...