Findings

CVE-2022-3303

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking.

Published Sep 27, 2022 · updated Oct 14, 2026 · linux linux kernel

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

Timeline

Detection, updates, and resolution for this record.

  1. Sep 27, 2022 · NIST NVD

    Detected

    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

  2. Oct 14, 2026 · NIST NVD

    Updated

    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

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe linux/linux kernelversion unspecified
  • cpe linux/linux kernel6.0

Sources

  • CVE.orgCVE-2022-3303

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2022-3303

    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,

    nvd.nist.gov

References

CVE-2022-3303 · ZeroDay Findings