Vulnerability identifier: #VU90072

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52777

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ath11k_wmi_gtk_offload_status_event() function in drivers/net/wireless/ath/ath11k/wmi.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
http://git.kernel.org/stable/c/0cf7577b6b3153b4b49deea9719fe43f96469c6d
http://git.kernel.org/stable/c/cf9c7d783a2bf9305df4ef5b93d9063a52e18fca
http://git.kernel.org/stable/c/e83246ecd3b193f8d91fce778e8a5ba747fc7d8a
http://git.kernel.org/stable/c/1dea3c0720a146bd7193969f2847ccfed5be2221

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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.