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CVE-2023-6560

Kernel: io_uring out of boundary memory access in __io_uaddr_map()

Published: 12/8/2023 Last updated: 8/2/2024 Reserved: 12/6/2023

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 5.5 Medium CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (15)

Product Vendor Version
Red Hat Enterprise Linux 8 Red Hat <= 5.10.*
Red Hat Enterprise Linux 6 Red Hat <= 6.0.*
Red Hat Enterprise Linux 9 Red Hat <= 6.0.*
Red Hat Enterprise Linux 7 Red Hat <= *
Red Hat Enterprise Linux 7 Red Hat <= 4.19.*
Red Hat Enterprise Linux 6 Red Hat <= 4.14.*
Red Hat Enterprise Linux 8 Red Hat <= 5.15.*
Red Hat Enterprise Linux 6 Red Hat <= *
Red Hat Enterprise Linux 7 Red Hat <= 5.4.*
Red Hat Enterprise Linux 9 Red Hat <= *
Red Hat Enterprise Linux 6 Red Hat <= 6.1.*
kernel n/a <= 5.15.*
kernel n/a <= 4.9.*
kernel n/a <= 5.18.*
kernel n/a <= 5.10.*

References (24)