CVE-2022-3303: Race Condition
First published: Tue Sep 27 2022(Updated: )
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
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.0 | |
| Linux Linux kernel | =6.0-rc1 | |
| Linux Linux kernel | =6.0-rc2 | |
| Linux Linux kernel | =6.0-rc3 | |
| Linux Linux kernel | =6.0-rc4 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA@mail.gmail.com/
- https://www.debian.org/security/2022/dsa-5257
- https://launchpad.net/bugs/cve/CVE-2022-3303
- https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3303
- https://nvd.nist.gov/vuln/detail/CVE-2022-3303
- https://security-tracker.debian.org/tracker/CVE-2022-3303
- https://ubuntu.com/security/CVE-2022-3303
- https://git.kernel.org/linus/8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
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