SB2025100464 - Use-after-free in Linux kernel dax driver
Published: October 4, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100464
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-2023-53613)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and devm_register_dax_mapping() functions in drivers/dax/bus.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/03859868ab82d57bfdd0cea1bf31f9319a5dded0
- https://git.kernel.org/stable/c/6d24b170a9db0456f577b1ab01226a2254c016a8
- https://git.kernel.org/stable/c/7310b84821f043dcf77d5e6aa0ad55dc1e10a11d
- https://git.kernel.org/stable/c/94a85474f5e3e518bdbf8c9f51cb343d734a04f7
- https://git.kernel.org/stable/c/9c2f993b6ca903c030d58451b5bf9ea27d0d17fa
- https://git.kernel.org/stable/c/f76db6781d76d8464ec2faa9752cc3fb2e4f6923
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.13