#VU112760 Out-of-bounds read in Linux kernel - CVE-2025-38249

Vulnerability identifier: #VU112760

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-2025-38249

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 snd_usb_get_audioformat_uac3() function in sound/usb/stream.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

---

External links
https://git.kernel.org/stable/c/0ee87c2814deb5e42921281116ac3abcb326880b
https://git.kernel.org/stable/c/11e740dc1a2c8590eb7074b5c4ab921bb6224c36
https://git.kernel.org/stable/c/6eb211788e1370af52a245d4d7da35c374c7b401
https://git.kernel.org/stable/c/74fcb3852a2f579151ce80b9ed96cd916ba0d5d8
https://git.kernel.org/stable/c/c3fb926abe90d86f5e3055e0035f04d9892a118b
https://git.kernel.org/stable/c/fb4e2a6e8f28a3c0ad382e363aeb9cd822007b8a

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?