CVE-2023-2430
First published: Sun Jul 23 2023(Updated: )
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.2 | |
| Linux Kernel | =6.2 | |
| Linux Kernel | =6.2-rc1 | |
| Linux Kernel | =6.2-rc2 | |
| Linux Kernel | =6.2-rc3 | |
| Linux Kernel | =6.2-rc4 | |
| 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8
- https://www.debian.org/security/2023/dsa-5492
- https://launchpad.net/bugs/cve/CVE-2023-2430
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2430
- https://nvd.nist.gov/vuln/detail/CVE-2023-2430
- https://security-tracker.debian.org/tracker/CVE-2023-2430
- https://ubuntu.com/security/CVE-2023-2430
- https://git.kernel.org/linus/e12d7a46f65ae4b7d58a5e0c1cbfa825cf8d830d
Frequently Asked Questions
What is the severity of CVE-2023-2430?
CVE-2023-2430 is classified as a Denial of Service vulnerability.
How do I fix CVE-2023-2430?
To mitigate CVE-2023-2430, update the Linux Kernel to a version later than 6.2, or apply the recommended patches provided.
Who can exploit CVE-2023-2430?
CVE-2023-2430 can be exploited by local attackers who have user privileges.
What impact does CVE-2023-2430 have on the Linux Kernel?
CVE-2023-2430 can cause a Denial of Service, disrupting normal operations of the affected Linux Kernel versions.
What versions of the Linux Kernel are affected by CVE-2023-2430?
CVE-2023-2430 affects Linux Kernel versions up to 6.2, including specific release candidates.
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