SB2024060102 - NULL pointer dereference in Linux kernel scsi qedf driver
Published: June 1, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060102
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-2021-47077)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the qedf_update_link_speed() function in drivers/scsi/qedf/qedf_main.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/a6362a737572f66051deb7637f3f77ddf7a4402f
- https://git.kernel.org/stable/c/11014efcec378bb0050a6cf08eaf375e3693400a
- https://git.kernel.org/stable/c/73578af92a0fae6609b955fcc9113e50e413c80f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13