CVE-2023-30772: Use After Free
First published: Sun Apr 16 2023(Updated: )
Last updated 11 April 2025
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.2.9 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://bugzilla.suse.com/show_bug.cgi?id=1210329
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=06615d11cc78162dfd5116efb71f29eb29502d37
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://launchpad.net/bugs/cve/CVE-2023-30772
- https://git.kernel.org/linus/06615d11cc78162dfd5116efb71f29eb29502d37
- https://security-tracker.debian.org/tracker/CVE-2023-30772
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-30772
- https://nvd.nist.gov/vuln/detail/CVE-2023-30772
- https://ubuntu.com/security/CVE-2023-30772
Frequently Asked Questions
What is the severity of CVE-2023-30772?
CVE-2023-30772 has been classified as a high-severity vulnerability due to potential exploitation via a race condition and use-after-free in the Linux kernel.
How do I fix CVE-2023-30772?
To fix CVE-2023-30772, update your Linux kernel to versions 6.2.9 or later.
Which Linux kernel versions are affected by CVE-2023-30772?
CVE-2023-30772 affects Linux kernel versions before 6.2.9, including all prior versions.
What kind of attack does CVE-2023-30772 allow?
CVE-2023-30772 allows a physically proximate attacker to exploit a race condition when unplugging a device.
Is there a specific package version to remedy CVE-2023-30772?
Yes, for Debian-based systems, update to specific package versions such as 5.10.223-1, 5.10.226-1, 6.1.123-1, or newer versions.
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