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CVE-2023-1193

Use-after-free in setup_async_work()

Published: 11/1/2023 Last updated: 2/27/2025 Reserved: 3/6/2023

A use-after-free flaw was found in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIFS in the Linux kernel. This issue could allow an attacker to crash the system by accessing freed work.

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

Metrics

Version Score Severity Vector String
3.1 6.5 Medium CVSS:3.1/AV:N/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 (13)

Product Vendor Version
Red Hat Enterprise Linux 6 Red Hat <= 5.15.*
Fedora Fedora < c891f504bb66604c822e7985e093cf39b97fdeb0
Red Hat Enterprise Linux 7 Red Hat Gen 1
Red Hat Enterprise Linux 8 Red Hat <= 6.12.*
Red Hat Enterprise Linux 8 Red Hat Gen 1
Red Hat Enterprise Linux 7 Red Hat <= 6.1.*
Red Hat Enterprise Linux 9 Red Hat <= *
Red Hat Enterprise Linux 8 Red Hat Gen 1
Red Hat Enterprise Linux 7 Red Hat <= 6.6.*
Red Hat Enterprise Linux 8 Red Hat <= 6.15.*
Red Hat Enterprise Linux 9 Red Hat < aad9d048a3211c48ec02efa405bf462856feb862
Red Hat Enterprise Linux 7 Red Hat Gen 1
Kernel n/a <= 5.10.*

References (12)

Credits (2)