CVE-2026-23005Published

x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1

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

Recorded JSON

cve-program · CVE-2026-23005

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/kernel/fpu/core.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "820a6ee944e74e57255ac2e90916ecdaade57b95",
                            "lessThan": "b5995c01ba53d84182ecb9492fc4d91cfe8a362d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "820a6ee944e74e57255ac2e90916ecdaade57b95",
                            "lessThan": "1e2848bda819af569dfe7ab186223855e092a2cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "820a6ee944e74e57255ac2e90916ecdaade57b95",
                            "lessThan": "f577508cc8a0adb8b4ebe9480bba7683b6149930",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "820a6ee944e74e57255ac2e90916ecdaade57b95",
                            "lessThan": "eea6f395ca502c4528314c8112da9b5d65f685eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "820a6ee944e74e57255ac2e90916ecdaade57b95",
                            "lessThan": "b45f721775947a84996deb5c661602254ce25ce6",
                            "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/kernel/fpu/core.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "5.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.162",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.122",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.67",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.7",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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