cbcvebase.
CVE-2021-47207
published 2024-04-10

CVE-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…

PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
13.4th percentile
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.

Affected

21 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.15.5-1 (bookworm)linux 5.15.5-1 (bookworm)
linuxlinux——
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e28e083dcdf03a18a083f8a47b6bb6b1604b5be3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb09c760c201f82df83babc92a5ffea0a01807fccb09c760c201f82df83babc92a5ffea0a01807fc
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 542fa721594a02d2aee0370a764d306ef48d030c542fa721594a02d2aee0370a764d306ef48d030c
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ab4c1ebc40f699f48346f634d7b72b9c5193f315ab4c1ebc40f699f48346f634d7b72b9c5193f315
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c6d2cefdd05c4810c416fb8d384b5c377bd977bcc6d2cefdd05c4810c416fb8d384b5c377bd977bc
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1ac6cd87d8ddd36c43620f82c4d65b058f725f0f1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 16721797dcef2c7c030ffe73a07f39a65f9323c316721797dcef2c7c030ffe73a07f39a65f9323c3
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a0d21bb3279476c777434c40d969ea88ca64f9aaa0d21bb3279476c777434c40d969ea88ca64f9aa
linuxlinux_kernel< 4.4.2934.4.293
linuxlinux_kernel>= 0 < 5.10.84-15.10.84-1
linuxlinux_kernel>= 0 < 5.15.5-15.15.5-1
linuxlinux_kernel>= 0 < 5.15.5-15.15.5-1
linuxlinux_kernel>= 0 < 5.15.5-15.15.5-1
linuxlinux_kernel>= 4.10 < 4.14.2564.14.256
linuxlinux_kernel>= 4.15 < 4.19.2184.19.218
linuxlinux_kernel>= 4.20 < 5.4.1625.4.162
linuxlinux_kernel>= 4.5 < 4.9.2914.9.291
linuxlinux_kernel>= 5.11 < 5.15.55.15.5
linuxlinux_kernel>= 5.5 < 5.10.825.10.82

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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