SB2024060335 - Improper locking in Linux kernel gadget function driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060335
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) Improper locking (CVE-ID: CVE-2024-36894)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ffs_user_copy_worker() and ffs_epfile_async_io_complete() functions in drivers/usb/gadget/function/f_fs.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/73c05ad46bb4fbbdb346004651576d1c8dbcffbb
- https://git.kernel.org/stable/c/d7461830823242702f5d84084bcccb25159003f4
- https://git.kernel.org/stable/c/24729b307eefcd7c476065cd7351c1a018082c19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10