wcd938x

About this tag
The wcd938x tag on WindowsForum.com covers discussions about the Qualcomm WCD938x audio codec family, particularly in the context of Linux kernel driver issues. A notable thread addresses CVE-2022-48716, a patch that fixes a bug in the ASoC codec driver where a channel id was incorrectly used instead of a port id, leading to potential out-of-bounds access and driver state corruption. This memory-safety and availability issue was corrected upstream and backported to stable kernel releases. The tag is relevant for system administrators and developers managing hosts that load the WCD938x codec driver, emphasizing the importance of timely patching and reboot to maintain system stability.

  1. CVE-2022-48716 Patch: WCD938x ASoC Channel Port Mismatch Fixed

    The Linux kernel patch tracked as CVE-2022-48716 fixes a subtle but real bug in the ASoC codec driver for Qualcomm’s WCD938x family: mixer controls were using a channel id where a port id was required, allowing out-of-bounds access of an internal port_map array and risking corruption of the...
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    • Thread
    • audio drivers cve 2022 48716 linux kernel wcd938x
    • Replies: 0
    • Forum: Security Alerts