SB20241230218 - Double free in Linux kernel efi libstub driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230218
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) Double free (CVE-ID: CVE-2024-56573)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the efi_handle_cmdline() function in drivers/firmware/efi/libstub/efi-stub.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.