Ubuntu.comUB: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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | <Â any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | <Â any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | <Â any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | <Â any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws-5.4 | <Â any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws-hwe | <Â any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure | <Â any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-azure | <Â any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure | <Â any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure-4.15 | <Â any | UNKNOWN |
References
git.kernel.org/linus/a0d21bb3279476c777434c40d969ea88ca64f9aa (5.16-rc1)
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
launchpad.net/bugs/cve/CVE-2021-47207
nvd.nist.gov/vuln/detail/CVE-2021-47207
security-tracker.debian.org/tracker/CVE-2021-47207
www.cve.org/CVERecord?id=CVE-2021-47207
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