Vulnerability identifier: #VU94465

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48837

CWE-ID: CWE-190

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 execute arbitrary code.

The vulnerability exists due to integer overflow within the rndis_set_response() function in drivers/usb/gadget/function/rndis.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/8b3e4d26bc9cd0f6373d0095b9ffd99e7da8006b
http://git.kernel.org/stable/c/c7953cf03a26876d676145ce5d2ae6d8c9630b90
http://git.kernel.org/stable/c/138d4f739b35dfb40438a0d5d7054965763bfbe7
http://git.kernel.org/stable/c/21829376268397f9fd2c35cfa9135937b6aa3a1e
http://git.kernel.org/stable/c/28bc0267399f42f987916a7174e2e32f0833cc65
http://git.kernel.org/stable/c/56b38e3ca4064041d93c1ca18828c8cedad2e16c
http://git.kernel.org/stable/c/df7e088d51cdf78b1a0bf1f3d405c2593295c7b0
http://git.kernel.org/stable/c/65f3324f4b6fed78b8761c3b74615ecf0ffa81fa

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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.