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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 (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt 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 (9)

Product Vendor Version
Fedora Fedora 1.5.4 (EXC120GT)
Red Hat Enterprise Linux 6 Red Hat < 50
Red Hat Enterprise Linux 7 Red Hat 2.07 (EXC3000GX)
Red Hat Enterprise Linux 8 Red Hat <= 3.3.23.6.9
Red Hat Enterprise Linux 9 Red Hat < 2e5a20573a926302b233b0c2e1077f5debc7ab2e
Red Hat Enterprise Linux 8 Red Hat < 0.2.62ubuntu0.5
Red Hat Enterprise Linux 7 Red Hat < 97aeed72af4f83ae51534f0a2473ff52f8d66236
Red Hat Enterprise Linux 9 Red Hat 1.7.4 (EXC5000GT)
Kernel n/a n/a

References (6)

Credits (1)