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CVE-2021-47207
Published: Apr 10, 2024
Modified: May 11, 2026
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 3e28e083dcdf03a18a083f8a47b6bb6b1604b5beaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < cb09c760c201f82df83babc92a5ffea0a01807fcaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 542fa721594a02d2aee0370a764d306ef48d030caffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < ab4c1ebc40f699f48346f634d7b72b9c5193f315affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < c6d2cefdd05c4810c416fb8d384b5c377bd977bc+3 more versions |
Linux | Linux | affected 2.6.12unaffected 0 - < 2.6.12unaffected 4.4.293 - <= 4.4.*unaffected 4.9.291 - <= 4.9.*unaffected 4.14.256 - <= 4.14.*+5 more versions |
References
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