CVE-2022-3303

Advisory lineage Upstream: 0 Downstream: 42
Modified
Published: 27 Sept 2022, 00:00
Last modified:21 May 2025, 15:31

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
4.7 MEDIUM
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

27 Sept 2022, 00:00
Published
Vulnerability first disclosed
21 May 2025, 15:31
Last Modified
Vulnerability information updated

Description

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 4%

Techniques & Countermeasures

  • CWE-667•Improper Locking

    The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debian•debian_linux

    10.0 | 11.0

  • linux•linux_kernel

    < 6.0 | 6.0:rc1 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4

References (4)