SB2025061955 - Memory leak in Linux kernel base firmware_loader driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061955
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-2022-49949)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the fw_upload_start() function in drivers/base/firmware_loader/sysfs_upload.c, within the fw_dev_release() function in drivers/base/firmware_loader/sysfs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.