SB20251028123 - Double free in Linux kernel crypto hisilicon driver
Published: October 28, 2025
Security Bulletin ID
SB20251028123
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) Double free (CVE-ID: CVE-2025-40062)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the qm_diff_regs_init() function in drivers/crypto/hisilicon/debugfs.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/1750f1ec143ebabdbdfa013668665c9d5042c430
- https://git.kernel.org/stable/c/7226a0650ad5705bd8d39a11be270fa21ed1e6a5
- https://git.kernel.org/stable/c/a7836260d5121949ba734e840d42a86ab4a32fcc
- https://git.kernel.org/stable/c/a87a21a56244b8f4eb357f6bad879247005bbe38
- https://git.kernel.org/stable/c/f0cafb02de883b3b413d34eb079c9680782a9cc1