SB20250226433 - NULL pointer dereference in Linux kernel scsi ibmvscsi driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226433
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) NULL pointer dereference (CVE-ID: CVE-2022-49703)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ibmvfc_alloc_queue() and ibmvfc_register_scsi_channel() functions in drivers/scsi/ibmvscsi/ibmvfc.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/6d38e3b614ded59da8b95377a98df969a5a5627a
- https://git.kernel.org/stable/c/8540f66196ca35b7b5e902932571c18b9fde0cd1
- https://git.kernel.org/stable/c/aeaadcde1a60138bceb65de3cdaeec78170b4459
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.51
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19