CVE-2022-3303

kernel: race condition in snd_pcm_oss_sync leads to NULL pointer dereference

Published Sep 27, 2022 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3173-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5257-1 linux security update
EUVD EUVD EUVD-2022-42693 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
Ubuntu USN Ubuntu USN USN-5791-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5791-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5791-3 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5792-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5792-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5793-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5793-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5793-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5793-4 Linux kernel (IBM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5815-1 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-5877-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-6001-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6013-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6014-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6071-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6252-1 Linux kernel vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 14, 2026, 1:38 PM
Reserved
Sep 26, 2022, 12:00 AM
Status
Modified
Published
Sep 27, 2022, 11:15 PM
Modified
Oct 14, 2026, 2:17 PM
Severity
Low
Public date
Sep 4, 2022, 12:00 AM