#VU104245 Memory leak in Linux kernel - CVE-2022-49310

Vulnerability identifier: #VU104245

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49310

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 cleanup_dev() function in drivers/char/xillybus/xillyusb.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/21f1f167d727f3f857e26d509ef5a6d47fd31bc3
https://git.kernel.org/stable/c/b67d19662fdee275c479d21853bc1239600a798f
https://git.kernel.org/stable/c/bc8fceda3b89006e8a7dda8a097d36045d044c25
https://git.kernel.org/stable/c/e277b95acdab84cd5d2f8d537a37aef6d21e988b

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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.