5.5

CVE-2023-52904: linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-52904DEBIAN-CVE-2023-52904CGA-232f-h357-52vj
Published 21-08-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2023-52904 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 11
SUSE-SU-2024:3190-1SUSE-SU-2024:3209-1SUSE-SU-2024:3483-1USN-7166-1USN-7166-2USN-7166-3

Timeline

  1. 21-08-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu103 products
  • linux< 5.15.0-127.137
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1073.79
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard78 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Linux2 products
  • linux≥ bfd36b1d1869859af7ba94dc95ec05e74f40d0b7, < f57204edc10760c935d8d36ea999dc8acf018030 | ≥ e1e0a181aea375edfae2f9a59070f95d904980d1, < a474d4ad59cd4642d1b7e3a6c08cef9eca0992c8 | ≥ 291e9da91403e0e628d7692b5ed505100e7b7706, < 92a9c0ad86d47ff4cce899012e355c400f02cfb8 | ≥ 5.15.152, < 5.15.168
  • linux_kernelna
Debian1 product
  • linux< 6.1.7-1

4 vendors · 184 products

References

14 links
Show all 14 references