SB2024062060 - NULL pointer dereference in Linux kernel scsi driver
Published: June 20, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-47578)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the resp_verify() and resp_report_zones() functions in drivers/scsi/scsi_debug.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/aa1f912712a109b6306746133de7e5343f016b26
- https://git.kernel.org/stable/c/47d11d35203b0aa13533634e270fe2c3610e531b
- https://git.kernel.org/stable/c/3344b58b53a76199dae48faa396e9fc37bf86992
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16