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An issue was discovered in wcd9335_codec_enable_dec in sound/soc/codecs/wcd9335.c in the Linux kernel through 5.1.5. It uses kstrndup instead of kmemdup_nul, which allows attackers to have an unspecified impact via unknown vectors. Reference: https://lkml.org/lkml/2019/5/29/705 Upstream commit: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?h=for-5.3&id=a54988113985ca22e414e132054f234fc8a92604
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1717003]