CVE-2023-6560
MEDIUMLinux Kernel < 6.6 - Out-of-Bounds Memory Access in io_uring SQ/CQ Rings
Title source: llmDescription
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.
References (6)
Core 6
Core References
Mailing List, Patch
https://patchwork.kernel.org/project/io-uring/patch/[email protected]/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/AU4NHBDEDLRW33O76Y6LFECEYNQET5GZ/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/UCQIPFUQXKXRCH5Y4RP3C5NK4IHNBNVK/
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Multi-Page-Handling.html
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6560
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2253249
Scores
CVSS v3
5.5
EPSS
0.0028
EPSS Percentile
19.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-119
CWE-823
Status
published
Products (2)
linux/linux_kernel
6.7 rc1 (4 CPE variants)
linux/linux_kernel
< 6.6
Published
Dec 09, 2023
Tracked Since
Feb 18, 2026