Detections
Analytics
CVE-2021-47207
medium
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: fix null pointer dereference on pointer block The pointer block return from snd_gf1_dma_next_block could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.
References
https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc
https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc
https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315
https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa
https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c
https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3