#VU104528 Out-of-bounds read in Linux kernel - CVE-2022-49249

Vulnerability identifier: #VU104528

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-2022-49249

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 wcd938x_tx_mode_get() and wcd938x_rx_hph_mode_get() functions in sound/soc/codecs/wcd938x.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

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External links
https://git.kernel.org/stable/c/adafea71b49ec4dbc44e0b84ec6eb602004a7a08
https://git.kernel.org/stable/c/cc587b7c8fbbe128f6bd0dad025a0caea5e6d164
https://git.kernel.org/stable/c/d09aee1b1da196be11ed86dd4897f228f2487613
https://git.kernel.org/stable/c/f03c0c94186d5876857132d97e28f20cdc100bdc

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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.