Vulnerability Description
An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 6.6 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Mu
- https://access.redhat.com/security/cve/CVE-2023-6560Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253249Issue Tracking
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://patchwork.kernel.org/project/io-uring/patch/20231130194633.649319-2-axboMailing ListPatch
- http://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Mu
- https://access.redhat.com/security/cve/CVE-2023-6560Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253249Issue Tracking
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://patchwork.kernel.org/project/io-uring/patch/20231130194633.649319-2-axboMailing ListPatch
FAQ
What is CVE-2023-6560?
CVE-2023-6560 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.
How severe is CVE-2023-6560?
CVE-2023-6560 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6560?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.