SB2025100525 - Improper locking in Linux kernel scsi qla2xxx driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100525
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) Improper locking (CVE-ID: CVE-2023-53615)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the qlt_free_session_done() and qlt_unreg_sess() functions in drivers/scsi/qla2xxx/qla_target.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/4d7da12483e98c451a51bd294a3d3494f0aee5eb
- https://git.kernel.org/stable/c/6dfe4344c168c6ca20fe7640649aacfcefcccb26
- https://git.kernel.org/stable/c/a4628a5b98e4c6d905e1f7638242612d7db7d9c2
- https://git.kernel.org/stable/c/b05017cb4ff75eea783583f3d400059507510ab1
- https://git.kernel.org/stable/c/cd06c45b326e44f0d21dc1b3fa23e71f46847e28
- https://git.kernel.org/stable/c/f1ea164be545629bf442c22f508ad9e7b94ac100
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132