#VU104346 Memory leak in Linux kernel - CVE-2022-49712

Vulnerability identifier: #VU104346

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-2022-49712

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 lpc32xx_udc_probe() function in drivers/usb/gadget/udc/lpc32xx_udc.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/0ef6917c0524da5b88496b9706628ffef108b9bb
https://git.kernel.org/stable/c/2a598da14856ead80c726b38ba426c68637d9211
https://git.kernel.org/stable/c/46da1e4a8b6329479433b2a4056941dfdd7f3efd
https://git.kernel.org/stable/c/4757c9ade34178b351580133771f510b5ffcf9c8
https://git.kernel.org/stable/c/57901c658f77d9ea2e772f35cb38e47efb54c558
https://git.kernel.org/stable/c/727c82d003e0ec64411fd1257a9a57de4ad7a99a
https://git.kernel.org/stable/c/b75bddfcc18170ce8e3fb695a76ec2dec4ce0ea5
https://git.kernel.org/stable/c/d85e4e6284a91aa2d1ab004e9d84b9c09b4aa203

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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.