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kcov: fix data corruption and race conditions on PREEMPT_RT

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-2026-80916

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": [
                        "include/linux/sched.h",
                        "kernel/kcov.c",
                        "lib/Kconfig.debug"
                    ],
                    "versions": [
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "ef7048d8a614c5f5a9b20513a5428101a744514e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "8ed3ddf23d39bf5338406bd9f8863d44748cf6ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "5dc59fc959b2b5742985d7ef24bccd1868217dc2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "a2fb8222cde23b0001812ed3acb7c0ea36dd94e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "18799e858b407bf355383c9dd6c06477aa437134",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "e11f5b48c82703242a3be7a7ae4b4940b4cb4610",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "22670d1552fe155822b2abf91f920925f7d067b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "f8c9a3ec36b4ee3d4701b9be08f40e7bfbf89761",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5ff3b30ab57da82d8db4f14662a2858cabfbc2c0",
                            "lessThan": "2eed77fdcb0cc48e8eccb2bcd4b7f2c6d650e84c",
                            "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": [
                        "include/linux/sched.h",
                        "kernel/kcov.c",
                        "lib/Kconfig.debug"
                    ],
                    "versions": [
                        {
                            "version": "5.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.269",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.220",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.185",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.154",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.106",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.47",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.11",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.1",
                            "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

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 05:32 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current