#VU113256 Out-of-bounds read in Linux kernel - CVE-2025-38391

Vulnerability identifier: #VU113256

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-2025-38391

CWE-ID: CWE-125

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 an out-of-bounds read error within the pin_assignment_show() function in drivers/usb/typec/altmodes/displayport.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/114a977e0f6bf278e05eade055e13fc271f69cf7
https://git.kernel.org/stable/c/2f535517b5611b7221ed478527e4b58e29536ddf
https://git.kernel.org/stable/c/45e9444b3b97eaf51a5024f1fea92f44f39b50c6
https://git.kernel.org/stable/c/47cb5d26f61d80c805d7de4106451153779297a1
https://git.kernel.org/stable/c/5581e694d3a1c2f32c5a51d745c55b107644e1f8
https://git.kernel.org/stable/c/621d5a3ef0231ab242f2d31eecec40c38ca609c5
https://git.kernel.org/stable/c/af4db5a35a4ef7a68046883bfd12468007db38f1
https://git.kernel.org/stable/c/c93bc959788ed9a1af7df57cb539837bdf790cee

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?