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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-47207

ALSA: gus: fix null pointer dereference on pointer block

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 3e28e083dcdf03a18a083f8a47b6bb6b1604b5beaffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < cb09c760c201f82df83babc92a5ffea0a01807fcaffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 542fa721594a02d2aee0370a764d306ef48d030caffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < ab4c1ebc40f699f48346f634d7b72b9c5193f315affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < c6d2cefdd05c4810c416fb8d384b5c377bd977bcaffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 1ac6cd87d8ddd36c43620f82c4d65b058f725f0faffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 16721797dcef2c7c030ffe73a07f39a65f9323c3affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < a0d21bb3279476c777434c40d969ea88ca64f9aaaffected

Linux Linux

Default version status: affected

  • 2.6.12affected
  • 0 to < 2.6.12unaffected
  • 4.4.293 to ≤ 4.4.*unaffected
  • 4.9.291 to ≤ 4.9.*unaffected
  • 4.14.256 to ≤ 4.14.*unaffected
  • 4.19.218 to ≤ 4.19.*unaffected
  • 5.4.162 to ≤ 5.4.*unaffected
  • 5.10.82 to ≤ 5.10.*unaffected
  • 5.15.5 to ≤ 5.15.*unaffected
  • 5.16 to ≤ *unaffected

References