SB2021082540 - Anolis OS update for edk2 (Anolis OS 8.4)
Published: August 25, 2021 Updated: March 28, 2025
Security Bulletin ID
SB2021082540
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-38575)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the IScsiHexToBin() function in NetworkPkg/IScsiDxe. A remote attacker with ability to inject data into communication between edk2 and the iSCSI target can execute arbitrary code on the target system.
Remediation
Install update from vendor's website.