Vulnerability in Linux Kernel
CVE-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, resulting in a denial of service condition
EPSS: 0.003 (22.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 6.0
- Debian Debian_linux — versions 10.0, 11.0
- N/a Linux Kernel — versions Fixed in kernel 6.0-rc5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Exploit, Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3303?
- CVE-2022-3303 is a medium-severity vulnerability in Linux Kernel, classified under Improper Locking. CVSS score: 4.7/10. Published 2022-09-27.
- How severe is CVE-2022-3303?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2022-3303 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.