Vulnerability identifier: #VU63316

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-27223

CWE-ID: CWE-129

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description
The vulnerability allows a remote attacker to execute arbitrary code with elevated privileges.

The vulnerability exists due to improper validation of array index in drivers/usb/gadget/udc/udc-xilinx.c in the Linux kernel. A remote attacker can send specially crafted data to the system and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.16.1 - 5.16.11

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External links
http://github.com/torvalds/linux/commit/7f14c7227f342d9932f9b918893c8814f86d2a0d
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
http://security.netapp.com/advisory/ntap-20220419-0001/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.