CVE-2023-6560

medium

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.

References

https://patchwork.kernel.org/project/io-uring/patch/[email protected]/

https://lists.fedoraproject.org/archives/list/[email protected]/message/UCQIPFUQXKXRCH5Y4RP3C5NK4IHNBNVK/

https://lists.fedoraproject.org/archives/list/[email protected]/message/AU4NHBDEDLRW33O76Y6LFECEYNQET5GZ/

https://bugzilla.redhat.com/show_bug.cgi?id=2253249

https://access.redhat.com/security/cve/CVE-2023-6560

http://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Multi-Page-Handling.html

Details

Source: Mitre, NVD

Published: 2023-12-09

Updated: 2024-01-08

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H