#VU117408 Improper locking in Linux kernel - CVE-2025-40005
Published: October 21, 2025
Vulnerability identifier: #VU117408
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40005
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cqspi_indirect_read_execute(), cqspi_indirect_write_execute(), cqspi_exec_mem_op(), cqspi_probe() and cqspi_remove() functions in drivers/spi/spi-cadence-quadspi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.