CVE-2026-23253 media: dvb-core: fix wrong reinitialization of ringbuffer on reopen

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...

PT-2026-26103

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's dvb-core component related to the reinitialization of a ring buffer when a device is reopened. The dvb dvr open function incorrectly calls dvb...