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KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2025-40026

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/emulate.c",
                        "arch/x86/kvm/kvm_emulate.h",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "a908eca437789589dd4624da428614c1275064dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "00338255bb1f422642fb2798ebe92e93b6e4209b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "e0ce3ed1048a47986d15aef1a98ebda25560d257",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "ba35a5d775799ce5ad60230be97336f2fefd518e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "3d3abf3f7e8b1abb082070a343de82d7efc80523",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "e7177c7e32cb806f348387b7f4faafd4a5b32054",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "3a062a5c55adc5507600b9ae6d911e247e2f1d6e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "7366830642505683bbe905a2ba5d18d6e4b512b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9",
                            "lessThan": "e750f85391286a4c8100275516973324b621a269",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/emulate.c",
                        "arch/x86/kvm/kvm_emulate.h",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.301",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.246",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.195",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.157",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.111",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.52",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.12",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.2",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 11:51 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current