CVE-2023-6560
Kernel: io_uring out of boundary memory access in __io_uaddr_map()
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-823 |
| Vendor | n/a |
| Product | kernel |
| Published | Dec 8, 2023 |
| Last Updated | Aug 2, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
n/a / kernel
All versions affected n/a / kernel
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Fedora / Fedora
All versions affected References
packetstormsecurity.com: http://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Multi-Page-Handling.html access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-6560 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2253249 lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/AU4NHBDEDLRW33O76Y6LFECEYNQET5GZ/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/UCQIPFUQXKXRCH5Y4RP3C5NK4IHNBNVK/ patchwork.kernel.org: https://patchwork.kernel.org/project/io-uring/patch/[email protected]/