#VU92893 Memory leak in Linux kernel - CVE-2022-48723

Vulnerability identifier: #VU92893

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-2022-48723

CWE-ID: CWE-401

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 memory leak within the uniphier_spi_probe() function in drivers/spi/spi-uniphier.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/e895e067d73e154b1ebc84a124e00831e311d9b0
https://git.kernel.org/stable/c/dd00b4f8f768d81c3788a8ac88fdb3d745e55ea3
https://git.kernel.org/stable/c/447c3d4046d7b54052d07d8b27e15e6edea5662c
https://git.kernel.org/stable/c/37c2c83ca4f1ef4b6908181ac98e18360af89b42

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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.