Memory leak in Linux kernel spi driver



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48723
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU92893

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 - Missing release of memory after effective lifetime

Exploit availability: No

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: 5.10 - 5.17 rc12

CPE2.3 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
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.99
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17


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.



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