SB2025070273 - Red Hat Enterprise Linux 9 update for microcode_ctl
Published: July 2, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Missing initialization of resource (CVE-ID: CVE-2025-24495)
CWE-ID: CWE-909 - Missing initialization of resource
CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to incorrect initialization of resource in the branch prediction unit. A local user can gain unauthorized access to sensitive information on the system.
2) Incorrect behavior order (CVE-ID: CVE-2025-20012)
CWE-ID: CWE-696 - Incorrect Behavior Order
CVSSv4: CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to gain access to sensitive information on the system. The vulnerability exists due to incorrect behavior order. An attacker with physical access can disclose sensitive information on the target system.
3) Resource management error (CVE-ID: CVE-2024-28956)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/U:Amber
The vulnerability allows a malicious guest to escalate privileges on the system.
The vulnerability exists due to an error in the hardware support for prediction-domain isolation dubbed "Indirect Target Selection". A malicious guest can infer the contents of arbitrary host memory, including memory assigned to other guests.
Remediation
Install update from vendor's website.