Astra Linux – Vulnerability in Intel Microcode

Improper input validation in some IntelR TDX module software prior to version 1.5.05.46.698 may allow a privileged user to potentially enable privilege escalation through local access...

CVE-2026-89751

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix off-by-one in port I/O handling handlein and handleout in arch/x86/coco/tdx/tdx.c use: u64 mask = GENMASKBITSPERBYTE size, 0; GENMASKh, l includes bit h. For size=1 INB, this produces GENMASK8, 0 = 0x1FF 9 bits inste...

CVE-2026-20885: Improper Authentication

Improper authentication in the IntelR TDX module for some IntelR platforms within Ring 0: Trust Domain may allow an information disclosure and escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This...

CVE-2026-20705: Insecure Storage of Sensitive Information

Insecure storage of sensitive information in the IntelR TDX module for some IntelR platform within Ring 0: Trust Domain may allow information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially...

PT-2026-70300

Uncaught exception for some IntelR TDX modules within Ring 0: Trust Domain may allow a denial of service. System software adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack requiremen...

CVE-2025-22885

Improper buffer restrictions in the firmware for the TDX Module may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack...

CVE-2025-31944

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service. Authorized adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack...

CVE-2025-30513

Race condition for some TDX Module within Ring 0: Hypervisor may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements...

CVE-2025-27940

Out-of-bounds read for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Software side channel adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access wh...

CVE-2025-31944

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service. Authorized adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack...

CVE-2025-30513

Race condition for some TDX Module within Ring 0: Hypervisor may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements...

CVE-2025-22885

Improper buffer restrictions in the firmware for the TDX Module may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack...

CVE-2025-32467

Use of uninitialized variable for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Authorized adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access wh...

CVE-2025-31944

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service. Authorized adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack...

CVE-2025-31944

Race condition for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow a denial of service. Authorized adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack...

CVE-2025-31944

CVE-2025-31944 concerns a race condition in certain Intel TDX Module implementations prior to tdx1.5, within Ring 0 hypervisor code. The issue may allow a denial of service when a privileged local attacker with high complexity performs a deliberate race condition under local access, with no user ...

CVE-2025-30513

Race condition for some TDX Module within Ring 0: Hypervisor may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements...

CVE-2025-30513

CVE-2025-30513 describes a race condition in a TDX Module operating in Ring 0 that may enable local privilege escalation. The vulnerability could impact confidentiality and integrity (high) with no availability impact, via a local attack requiring high privileges and no user interaction, and with...

CVE-2025-27940

Out-of-bounds read for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Software side channel adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access wh...

CVE-2025-22885

CVE-2025-22885 concerns firmware for the TDX Module with an improper buffer restriction that may enable privilege escalation. The issue is exploitable locally by a system software adversary who already has privileged user access, under high attack complexity and with no user interaction required....