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Buffer overflow in drivers/xen/sys-hypervisor.c

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-2026-31786

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": [
                        "drivers/xen/sys-hypervisor.c"
                    ],
                    "versions": [
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "e3af585e1728c917682b6a3de9a69b41fb9194d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "8288d031a01dbacfde3fc643f7be3d23504de64d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "f458ba102da97fafca106327086fc95f3fc764cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "4b4defd2fce3f966c25adabf46644a85558f1169",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "5c5ff7c7bd15bb536f44b10b3fb5b8408f344d0a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "d5f59216650c51e5e3fcb7517c825bc8047f60ef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "52cecff98bda2c51eed1c6ce9d21c5d6268fb19d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84b7625728ea311ea35bdaa0eded53c1c56baeaa",
                            "lessThan": "27fdbab4221b375de54bf91919798d88520c6e28",
                            "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": [
                        "drivers/xen/sys-hypervisor.c"
                    ],
                    "versions": [
                        {
                            "version": "4.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.254",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.204",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.170",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.137",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.85",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.26",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.3",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current