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. CREATE(Triage):(User=admin) CVE-2021-47207 (https://nvd.nist.gov/vuln/detail/CVE-2021-47207)
