#VU91389 Out-of-bounds read in Linux kernel - CVE-2023-52829

Vulnerability identifier: #VU91389

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-2023-52829

CWE-ID: CWE-125

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 an out-of-bounds read error within the ath12k_wmi_ext_hal_reg_caps() function in drivers/net/wireless/ath/ath12k/wmi.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.5, 6.5 rc1, 6.5 rc5, 6.5 rc7, 6.5.1, 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.5.10, 6.5.11, 6.5.12, 6.6, 6.6 rc1, 6.6 rc2, 6.6 rc3, 6.6 rc4, 6.6 rc5, 6.6 rc6, 6.6.1, 6.6.2, 6.7 rc1, 6.7 rc2, 6.7 rc3, 6.7 rc5, 6.7 rc6, 6.7 rc7

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External links
https://git.kernel.org/stable/c/dfe13eaab043130f90dd3d57c7d88577c04adc97
https://git.kernel.org/stable/c/4dd0547e8b45faf6f95373be5436b66cde326c0e
https://git.kernel.org/stable/c/b302dce3d9edea5b93d1902a541684a967f3c63c
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7

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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.