SB20260916101 - Improper resource shutdown or release in Linux kernel scsi pm8001 driver
Published: September 16, 2026
Security Bulletin ID
SB20260916101
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-90007)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to leave previously registered interrupt handlers installed.
The vulnerability exists due to incorrect rollback index handling in the pm8001_request_msix() function when handling a request_irq() failure during MSI-X vector registration. A local user can trigger the faulty rollback loop to leave previously registered interrupt handlers installed.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0205db768570f9a46b20912afa581a0c7a63d8b7
- https://git.kernel.org/stable/c/2853ce9c88e0e6dd575f95f28b3a8c2b27164115
- https://git.kernel.org/stable/c/3f92a64545165bdbb36dee8fa35626b295463313
- https://git.kernel.org/stable/c/a980dec7c69990e4f119bcf6a2ea093d1c4975e8
- https://git.kernel.org/stable/c/dd817463c9b42a3a9e23d15b86c6c77a6cfb809d
- https://git.kernel.org/stable/c/e20b16aa3b49f9db5510940740255a987e6f2a6f
- https://git.kernel.org/stable/c/f39e3ca1f688d7c08954a0794e9bf1e279c83b15
- https://git.kernel.org/stable/c/fb22a8d2f3ac6665cc8bee197096b6675cac1a9f