CVE-2026-20765

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potentiall...

EUVD-2026-56491

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potentiall...

CVE-2026-20765

Intel TDX Guest software vulnerable before version 0.3.1 due to an incorrect comparison in Ring 3. A privileged user with local access and no user interaction may escalate privileges via a low-complexity attack, potentially impacting confidentiality, integrity and availability at a low level. Aff...

CVE-2026-20765

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potentiall...

EUVD-2026-56490

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potential...

CVE-2026-20763

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potential...

CVE-2026-20763

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potential...

CVE-2026-20763: Incorrect Calculation

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potential...

CVE-2026-20765: Incorrect Comparison

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potentiall...

PT-2026-70297

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications 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 potentiall...

Intel® TDX Guest Software Advisory

Summary: Potential security vulnerabilities for some Intel® Trust Domain Extensions Intel® TDX Guest software may allow escalation of privilege. Intel is releasing software updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2026-20763 Description: Incorrect...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-49979: net: fix refcount bug in skpsockget bsc1245109. CVE-2023-20585: x86/CPU: Fix FPDSS on Zen1 bsc1243603. CVE-2026-23239: espintcp: Fix race condition in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fixed the handling of the “quote” buffer length controlled by the host. The host-controlled value quotebuf-outlen is validated to determine how many bytes of the quote are copied to the guest userspace. In TDX...

CVE-2026-31470 virt: tdx-guest: Fix handling of host controlled 'quote' buffer length

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

CVE-2026-31470: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

Linux Distros Unpatched Vulnerability : CVE-2026-31470

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quot...

The vulnerability of the `alloc_quote_buf()` function in the drivers/virt/coco/tdx-guest/tdx-guest.c file of the Linux kernel allows a hacker to gain unauthorized access to protected information.

The vulnerability of the allocquotebuf function in the drivers/virt/coco/tdx-guest/tdx-guest.c file of the Linux kernel is related to errors in handling exceptional conditions. Exploiting this vulnerability may allow an attacker to gain unauthorized access to protected information...

CVE-2025-40181

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 fixes the following issues: CVE-2024-53146: NFSD: prevent a potential integer overflow bsc1234854 CVE-2024-53166: block, bfq: fix bfqq uaf in bfqlimitdepth bsc1234885 CVE-2024-53173: NFSv4.0: Fix a use-after-free problem in the asynchronous open...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_3

This update for kernel-livepatch-MICRO-6-0-RTUpdate3 fixes the following issues: CVE-2024-50208: RDMA/bnxtre: Fix a bug while setting up Level-2 PBL pages bsc1233118 CVE-2024-50250: fsdax: daxunshareiter needs to copy entire blocks bsc1233227 CVE-2024-53146: NFSD: prevent a potential integer...