Debian: CVE-2024-47747: linux, linux-6.1 -- security update

Debian: CVE-2024-47747: linux, linux-6.1 -- security update

Severity

7

CVSS

(AV:L/AC:M/Au:S/C:C/I:C/A:C)

Published

10/21/2024

Created

11/12/2024

Added

11/11/2024

Modified

01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition In the ether3_probe function, a timer is initialized with a callback function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows: CPU0CPU1 |ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | |ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove.

Solution(s)

• debian-upgrade-linux
• debian-upgrade-linux-6-1

References

• https://attackerkb.com/topics/cve-2024-47747
• CVE - 2024-47747
• DLA-4008-1