SB20250916152 - Out-of-bounds read in Linux kernel usb
Published: September 16, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-39757)
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 convert_chmap_v3() and snd_usb_get_audioformat_uac3() functions in sound/usb/stream.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5
- https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46
- https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
- https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4
- https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c
- https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce
- https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e
- https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201
- https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869