#VU99022 Improper locking in Linux kernel - CVE-2024-47724

Vulnerability identifier: #VU99022

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-47724

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to improper locking within the ath11k_bcn_tx_status_event() function in drivers/net/wireless/ath/ath11k/wmi.c, within the ath11k_mac_vdev_delete(), ath11k_mac_op_add_interface() and ath11k_mac_op_remove_interface() functions in drivers/net/wireless/ath/ath11k/mac.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

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External links
https://git.kernel.org/stable/c/dbd51da69dda1137723b8f66460bf99a9dac8dd2
https://git.kernel.org/stable/c/6db232905e094e64abff1f18249905d068285e09
https://git.kernel.org/stable/c/177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3

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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.