CVE-2022-3303
MEDIUMLinux Kernel < 6.0 - Denial of Service via SNDCTL_DSP_SYNC Ioctl Race Condition
Title source: llmDescription
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
References (4)
Core 4
Core References
Third Party Advisory vendor-advisory
https://www.debian.org/security/2022/dsa-5257
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
Exploit, Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
Scores
CVSS v3
4.7
EPSS
0.0002
EPSS Percentile
4.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-667
CWE-362
Status
published
Products (4)
debian/debian_linux
10.0
debian/debian_linux
11.0
linux/linux_kernel
6.0 rc1 (4 CPE variants)
linux/linux_kernel
< 6.0
Published
Sep 27, 2022
Tracked Since
Feb 18, 2026