SB20260509109 - Improper resource shutdown or release in Linux kernel spi driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2025-71299)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: 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

The vulnerability allows a local attacker to cause a denial of service.

The vulnerability exists due to improper resource shutdown in cadence-quadspi probe error handling when parsing broken or missing device tree flash descriptions. A local attacker can trigger device initialization with a malformed device tree configuration to cause a denial of service.

The issue is particularly exposed during probe error paths for flashes attached to the controller.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/08dca4c8099a41a9fa3be128a793387603f73a17
• https://git.kernel.org/stable/c/9f0736a4e136a6eb61e0cf530ddc18ab6d816ba3
• https://git.kernel.org/stable/c/dcaa104ad9c860a6dbd5797919e0ec0b1cd5a57a