{"id":"CVE-2022-3303","title":"A race condition flaw was found in the Linux kernel sound subsystem due to improper locking","summary":"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…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-667","CWE-362"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.0","linux_kernel = 6.0","debian_linux = 10.0","debian_linux = 11.0"],"patched":["linux_kernel 6.0"],"published":"2022-09-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:23.267","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-3303","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"secalert@redhat.com"},{"url":"https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5257","label":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5257","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00318,"epssPercentile":0.23552,"ingestedAt":"2026-10-14T15:36:13.919Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2025-05-21T15:31:25.170645Z"},"slug":"CVE-2022-3303","body":"## Overview\n\nA 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\n\n## Affected\n\n- `linux_kernel < 6.0`\n- `linux_kernel = 6.0`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.0`","depth":"twilight","depthScore":38,"depthScoreParts":{"impact":25.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221273,"id":"CVE-2022-3303","ts":1792031009732,"field":"exploit_available","old":"false","new":"true"}]}