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
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
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
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.orgVulnerability recordCVE-2022-3303
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-3303
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-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