SB20250815112 - Multiple vulnerabilities in Intel TDX

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Main Vulnerability Database SB20250815112

SB20250815112 - Multiple vulnerabilities in Intel TDX

Published: August 15, 2025

Security Bulletin ID SB20250815112
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Predictable Seed in Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2025-20613)

CWE-ID: CWE-337 - Predictable Seed in Pseudo-Random Number Generator (PRNG)

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


The vulnerability allows a local user to compromise the system.

The vulnerability exists due to predictable seed in the pseudo-random number generator in the firmware. A local user can gain access to sensitive information on the target system.


2) Improper synchronization (CVE-ID: CVE-2025-22853)

CWE-ID: CWE-662 - Improper Synchronization

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/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 improper synchronization in the firmware. A local administrator can gain elevated privileges on the target system.


3) Buffer overflow (CVE-ID: CVE-2025-21096)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/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 boundary error in the firmware. A local administrator can trigger memory corruption and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.

References