vulnerability

Oracle Linux: CVE-2021-37159: ELSA-2021-9474: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Oct 2, 2020
Added
Oct 12, 2021
Modified
Dec 3, 2025

Description

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
A flaw use-after-free in the Linux kernel USB High Speed Mobile Devices functionality was found in the way user detaches USB device. A local user could use this flaw to crash the system or escalate their privileges on the system.

Solutions

oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
Title
NEW

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