SB2025100849 - Use-after-free in Linux kernel spi driver
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025100849
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-2023-53658)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bcm_qspi_probe() function in drivers/spi/spi-bcm-qspi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/217b6ea8cf7b819477bca597a6ae2d43d38ba283
- https://git.kernel.org/stable/c/22ae32d80ef590d12a2364e4621f90f7c58445c7
- https://git.kernel.org/stable/c/32b9c8f7892c19f7f5c9fed5fb410b9fd5990bb6
- https://git.kernel.org/stable/c/398e6a015877d44327f754aeb48ff3354945c78c
- https://git.kernel.org/stable/c/7c1f23ad34fcdace50275a6aa1e1969b41c6233f
- https://git.kernel.org/stable/c/a91c34357afcfaa5307e254f22a8452550a07b34
- https://git.kernel.org/stable/c/d20db3c58a7f9361e370a7850ceb60dbdf62eea3
- https://git.kernel.org/stable/c/d3dcdb43c872a3b967345144151a2c9bb9124c9b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39