Improper locking in Linux kernel ethernet micrel driver

1) Improper locking

EUVDB-ID: #VU94995

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41036

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the ks8851_tx_work() function in drivers/net/ethernet/micrel/ks8851_spi.c, within the ks8851_irq() and ks8851_set_rx_mode() functions in drivers/net/ethernet/micrel/ks8851_common.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

http://git.kernel.org/stable/c/a0c69c492f4a8fad52f0a97565241c926160c9a4
http://git.kernel.org/stable/c/80ece00137300d74642f2038c8fe5440deaf9f05
http://git.kernel.org/stable/c/10fec0cd0e8f56ff06c46bb24254c7d8f8f2bbf0
http://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.