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CVE-2022-3303

Good to know:

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Date: September 26, 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

Language: C

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/CVE-2022-3303
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
https://www.debian.org/security/2022/dsa-5257
https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA@mail.gmail.com/
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://nvd.nist.gov/vuln/detail/CVE-2022-3303
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
https://www.mend.io/vulnerability-database/CVE-2022-3303

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Race Conditions

CWE-362

Improper Locking

CWE-667

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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