SB20240531105 - Use-after-free in Linux kernel gadget function driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531105
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-26996)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ncm_set_alt() and ncm_disable() functions in drivers/usb/gadget/function/f_ncm.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7f67c2020cb08499c400abf0fc32c65e4d9a09ca
- https://git.kernel.org/stable/c/0588bbbd718a8130b98c54518f1e0b569ce60a93
- https://git.kernel.org/stable/c/f356fd0cbd9c9cbd0854657a80d1608d0d732db3
- https://git.kernel.org/stable/c/7250326cbb1f4f90391ac511a126b936cefb5bb7
- https://git.kernel.org/stable/c/6334b8e4553cc69f51e383c9de545082213d785e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.29