SB2025102960 - NULL pointer dereference in Linux kernel usb
Published: October 29, 2025
Security Bulletin ID
SB2025102960
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-40085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the get_alias_quirk() function in sound/usb/card.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/28412b489b088fb88dff488305fd4e56bd47f6e4
- https://git.kernel.org/stable/c/576312eb436326b44b7010f4d9ae2b698df075ea
- https://git.kernel.org/stable/c/736159f7b296d7a95f7208eb4799639b1f8b16a0
- https://git.kernel.org/stable/c/8503ac1a62075a085402e42a386b5c627c821a51
- https://git.kernel.org/stable/c/8d19a7ab28c7b9c207db5c5282afa8cc8595bcdb
- https://git.kernel.org/stable/c/bba7208765d26e5e36b87f21dacc2780b064f41f