416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47207CVE-2021-47207
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
git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3
git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c
git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa
git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315
git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc
git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc
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