#VU104513 Out-of-bounds read in Linux kernel - CVE-2022-49507

Vulnerability identifier: #VU104513

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-2022-49507

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 da9121_assign_chip_model() function in drivers/regulator/da9121-regulator.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/60f21eda69f1b5727a97d2077da766eb27fcc21f
https://git.kernel.org/stable/c/7da64c7c82c9b29b628a62c88a8c2fb06990563d
https://git.kernel.org/stable/c/bab76514aca36bc513224525d5598da676938218
https://git.kernel.org/stable/c/be96baa0c79588084e0d7a4fa21c574cec9a57f4

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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.