CVE-2021-47207
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e28e083dcdf03a18a083f8a47b6bb6b1604b5be | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb09c760c201f82df83babc92a5ffea0a01807fc | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 542fa721594a02d2aee0370a764d306ef48d030c | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ab4c1ebc40f699f48346f634d7b72b9c5193f315 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c6d2cefdd05c4810c416fb8d384b5c377bd977bc | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1ac6cd87d8ddd36c43620f82c4d65b058f725f0f | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 16721797dcef2c7c030ffe73a07f39a65f9323c3 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a0d21bb3279476c777434c40d969ea88ca64f9aa | affected |
| Linux | Linux | 2.6.12 | affected |
| Linux | Linux | 0 < 2.6.12 | unaffected |
| Linux | Linux | 4.4.293 <= 4.4.* | unaffected |
| Linux | Linux | 4.9.291 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.256 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.218 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.162 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.82 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.5 <= 5.15.* | unaffected |
| Linux | Linux | 5.16 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
- https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc
- https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c
- https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315
- https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc
- https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
- https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3
- https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa
References
- https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
- https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc
- https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c
- https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315
- https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc
- https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
- https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3
- https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.