NULL pointer dereference in Linux

CVE-2023-52904

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate() The subs function argument may be NULL, so do not use it before the NULL check.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (15.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-52904: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

  • Linux — versions bfd36b1d1869859af7ba94dc95ec05e74f40d0b7, e1e0a181aea375edfae2f9a59070f95d904980d1, 291e9da91403e0e628d7692b5ed505100e7b7706
  • Linux Kernel

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-52904?
CVE-2023-52904 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-08-21.
How severe is CVE-2023-52904?
Medium severity. CVSS v3 base score is 5.5 out of 10.