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CVE-2023-6039

Kernel: use-after-free in drivers/net/usb/lan78xx.c in lan78xx_disconnect

Published: 11/9/2023 Last updated: 2/27/2025 Reserved: 11/8/2023

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

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
Fedora Fedora <= 6.5.*
Red Hat Enterprise Linux 7 Red Hat 3.7
Red Hat Enterprise Linux 9 Red Hat <= 4.14.*
Red Hat Enterprise Linux 6 Red Hat <= 4.14.*
Red Hat Enterprise Linux 7 Red Hat <= 4.19.*
Red Hat Enterprise Linux 8 Red Hat <= 5.10.*
Red Hat Enterprise Linux 9 Red Hat <= 6.1.*
Red Hat Enterprise Linux 6 Red Hat < eeaf28e2a0128147d687237e59d5407ee1b14693
Red Hat Enterprise Linux 8 Red Hat <= 6.6.*
Red Hat Enterprise Linux 7 Red Hat < b6a107c52073496d2e5d2837915f59fb3103832f
Red Hat Enterprise Linux 8 Red Hat <= 5.15.*
Red Hat Enterprise Linux 7 Red Hat <= 5.4.*
Red Hat Enterprise Linux 9 Red Hat < 3a79f380b3e10edf6caa9aac90163a5d7a282204
Red Hat Enterprise Linux 9 Red Hat <= 6.4.*
Kernel n/a < 3.7

References (12)

Credits (2)