SB2025100510 - NULL pointer dereference in Linux kernel core lib driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100510
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-2023-53591)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h. 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/362063df6ceec80b0b6798b61ae03504dcc125a5
- https://git.kernel.org/stable/c/691c041bf20899fc13c793f92ba61ab660fa3a30
- https://git.kernel.org/stable/c/69966bce28da6aadccfd968b75d128a79da32d17
- https://git.kernel.org/stable/c/a7236e420a7d8082b1df4b3e05c739dd2642a662
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.5