Vulnerability identifier: #VU85422

Vulnerability 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-2023-7042

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 a NULL pointer dereference error within the ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() function in drivers/net/wireless/ath/ath10k/wmi-tlv.c. A local user can pass specially crafted data to the driver and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://access.redhat.com/security/cve/CVE-2023-7042
http://bugzilla.redhat.com/show_bug.cgi?id=2255497
http://patchwork.kernel.org/project/linux-wireless/patch/20231208043433.271449-1-hdthky0@gmail.com/

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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.