The vulnerability of the dvb_ringbuffer_init() function in the drivers/media/dvb-core/dmxdev.c module of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the dvbringbufferinit function in the drivers/media/dvb-core/dmxdev.c module of the Linux kernel is related to improper resource management throughout its lifecycle. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-23253

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - media: dvb-core: fix wrong reinitialization of ringbuffer on reopen dvbdvropen calls dvbringbufferinit when a new reader opens the DVR device. dvbringbufferinit...