CVE-2022-3303

MEDIUM4.7

A race condition flaw was found in the Linux kernel sound subsystem due to improper locking

Published Sep 27, 2022

Modified 8 months ago

Details

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

WEBhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d WEBhttps://lists.debian.org/debian-lts-announce/2022/11/msg00001.html WEBhttps://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-3303 ADVISORYhttps://www.debian.org/security/2022/dsa-5257

CVSS Analysis

CVSS v3.1

4.7

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

4.7/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Other

CWE-667

Ecosystems

Timeline

PublishedSep 27, 2022

ModifiedMay 21, 2025