#VU90580 NULL pointer dereference in Linux kernel - CVE-2024-26897
Vulnerability identifier: #VU90580
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:
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: All versions
External links
https://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905
https://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90
https://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715
https://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298
https://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2
https://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b
https://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11
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.
