Vulnerability DatabaseCVE-2022-3303
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CVE-2022-3303
September 27, 2022
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
Related Resources (8)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
https://www.debian.org/security/2022/dsa-5257
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
https://access.redhat.com/security/cve/CVE-2022-3303
https://security-tracker.debian.org/tracker/CVE-2022-3303
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-3303
https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/
https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA@mail.gmail.com/
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CVSS v4
Base Score:
5.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Locking
CWE-667
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
EPSS
Base Score:
0.02