CVE-2021-47207

ALSA: gus: fix null pointer dereference on pointer block

published April 10, 2024

CVSS
—
EPSS
0%
Percentile
12.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00226 · 12.6th percentile
Published
2024-04-10T18:56Z
EPSS history
Timeline
  • 10 APR 18:56Z
    ALSA: gus: fix null pointer dereference on pointer block
    cvelistv5