Vulnerability identifier: #VU90580

Vulnerability risk: Low

CVSSv3.1: 4.8 [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-2024-26897

CWE-ID: CWE-476

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 NULL pointer dereference within the ath9k_wmi_event_tasklet() function in drivers/net/wireless/ath/ath9k/wmi.c, within the ath9k_tx_init() function in drivers/net/wireless/ath/ath9k/htc_drv_txrx.c, within the ath9k_htc_probe_device() function in drivers/net/wireless/ath/ath9k/htc_drv_init.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905
http://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90
http://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715
http://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298
http://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2
http://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b
http://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11

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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.