SB2026021738 - Multiple vulnerabilities in Intel TDX module

Description

This security bulletin contains information about 6 vulnerabilities.

1) Race condition (CVE-ID: CVE-2025-30513)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in some TDX Module. A local administrator can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

2) Race condition (CVE-ID: CVE-2025-31944)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in some TDX Module. A local administrator can exploit the race and cause a denial of service condition on the system.

3) Out-of-bounds read (CVE-ID: CVE-2025-32007)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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 a boundary condition for some TDX. A local administrator can trigger an out-of-bounds read error and read contents of memory on the system.

4) Use of Uninitialized Variable (CVE-ID: CVE-2025-32467)

CWE-ID: CWE-457 - Use of Uninitialized Variable

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/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 compromise the target system.

The vulnerability exists due to use of uninitialized variable for some TDX Module. A local administrator can gain access to sensitive information on the system.

5) Information disclosure (CVE-ID: CVE-2025-27572)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/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 excessive data output by the application during transient execution for some TDX. A local administrator can gain unauthorized access to sensitive information on the system.

6) Out-of-bounds read (CVE-ID: CVE-2025-27940)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/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 a boundary condition for some TDX Module. A local administrator can trigger an out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01397.html