SB2024053046 - Denial of service in Linux kernel qla2xxx
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053046
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) Memory leak (CVE-ID: CVE-2021-47473)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in drivers/scsi/qla2xxx/qla_bsg.c. A local user can crash the kernel.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/96f0aebf29be25254fa585af43924e34aa21fd9a
- https://git.kernel.org/stable/c/a7fbb56e6c941d9f59437b96412a348e66388d3e
- https://git.kernel.org/stable/c/7fb223d0ad801f633c78cbe42b1d1b55f5d163ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15