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perf/x86/intel: Fix kernel address leakages in LBR stack

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-2026-89984

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/events/intel/lbr.c"
                    ],
                    "versions": [
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "f3705db4e6378cc1b91a38ce0fe2f879055e23ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "b589147f54adc62e4172e4acf079ad5fb7b3687f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "be0628a101ac05b085aaa4f650d48bd3915e80fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "ca19a175e89b7de604fab736436cbab74030b47a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "6ac26161db27f7fb9d9e89ae240dbe52795496cc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "3c492c8eba02698ca893a9a13388d2adf6dfb839",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "68c4b780b266a435261a1e029bede5ee3c2735cc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47125db27e47e9d44c878bf8925aa057824bb0d5",
                            "lessThan": "e2b0575900ff72aa82748af96e7bd564ade5157a",
                            "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/events/intel/lbr.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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 9 Nov 03:26 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current