#VU74129 Return of pointer value outside of expected range in Linux kernel - CVE-2023-23001

Vulnerability identifier: #VU74129

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-2023-23001

CWE-ID: CWE-466

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 exist due to the regulator_get() function in drivers/scsi/ufs/ufs-mediatek.c misinterprets the return value. A local user can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.16.0 - 5.16.2

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External links
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
https://github.com/torvalds/linux/commit/3ba880a12df5aa4488c18281701b5b1bc3d4531a

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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.