PT-2025-44130 · Hisilicon+4 · Hisilicon Qm+4
Published
2025-08-25
·
Updated
2026-05-22
·
CVE-2025-40062
CVSS v2.0
6.0
Medium
| Vector | AV:L/AC:H/Au:S/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw exists in the Linux kernel’s crypto subsystem, specifically within the hisilicon/qm module. The issue involves a potential double free when the
qm->debug.qm diff regs memory region is not set to NULL after being freed during the initialization process. This occurs when the initialization of qm->debug.acc diff reg fails, preventing the probe process from exiting and leading to a double free during the remove process.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Linuxmint
Linux Kernel
Suse
Ubuntu
Hisilicon Qm