Threats Tagged 'ghsa-2q5f-pw9r-2w7m'
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Threats Tagged 'ghsa-2q5f-pw9r-2w7m'
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NetBSD's hdaudio(4) driver in sys/dev/hdaudio/hdaudio.c contains a missing access control vulnerability that allows unprivileged local attackers to invoke the HDAUDIO_FGRP_SETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Attackers can repeatedly issue HDAUDIO_FGRP_SETCONFIG from one thread while keeping DMA and IRQs live from a second thread to trigger a use-after-free race condition in hdafg_detach() between stream_stop() and stream_disestablish(), where a latched DMA interrupt dereferences a freed callback pointer, resulting in outcomes ranging from audio-subsystem denial of service and kernel panic to potential local kernel privilege escalation. Join the discussion | CVE Database V5 | 08/12/2026, 12:42:33 UTC Added: 08/12/2026, 12:56:43 UTC |
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