{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43289",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.999Z",
        "datePublished": "2026-05-08T13:11:13.860Z",
        "dateUpdated": "2026-05-23T16:06:38.103Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:06:38.103Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkexec: derive purgatory entry from symbol\n\nkexec_load_purgatory() derives image->start by locating e_entry inside an\nSHF_EXECINSTR section.  If the purgatory object contains multiple\nexecutable sections with overlapping sh_addr, the entrypoint check can\nmatch more than once and trigger a WARN.\n\nDerive the entry section from the purgatory_start symbol when present and\ncompute image->start from its final placement.  Keep the existing e_entry\nfallback for purgatories that do not expose the symbol.\n\nWARNING: kernel/kexec_file.c:1009 at kexec_load_purgatory+0x395/0x3c0, CPU#10: kexec/1784\nCall Trace:\n <TASK>\n bzImage64_load+0x133/0xa00\n __do_sys_kexec_file_load+0x2b3/0x5c0\n do_syscall_64+0x81/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n[me@linux.beauty: move helper to avoid forward declaration, per Baoquan]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/kexec_file.c"
                    ],
                    "versions": [
                        {
                            "version": "f368aed4827bd4276c0e3664fb2cb815a8d7caf3",
                            "lessThan": "027797595a108726f4a0a45d225f603b0ffbd22b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d38e051ec6fd8650b139d9bc4b0b8b261953b263",
                            "lessThan": "1737d37ae1d2814e6cf0a1af87af3d41f0812b95",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "013027918a4efa807409fcb356009c117e4d181a",
                            "lessThan": "f736032c638a33a243e9126e617788f763d648f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8652d44f466ad5772e7d1756e9457046189b0dfc",
                            "lessThan": "cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8652d44f466ad5772e7d1756e9457046189b0dfc",
                            "lessThan": "875355152b33436907c2a6d2ffad1431fa86c62b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8652d44f466ad5772e7d1756e9457046189b0dfc",
                            "lessThan": "36eb314184a0ae74dd42914b47d2b9fc43be8034",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8652d44f466ad5772e7d1756e9457046189b0dfc",
                            "lessThan": "5226570bd252cea2e805a161cb0f75c204c3108a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8652d44f466ad5772e7d1756e9457046189b0dfc",
                            "lessThan": "480e1d5c64bb14441f79f2eb9421d5e26f91ea3d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4947a0eb7d642b6048559857964966016ef3aa8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b16bf76b382810257e3fb6278663a9d131b70197",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cb1638618545182a01444b2b20a4ed6b9d2a8c8f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.185",
                            "lessThan": "5.10.252",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.118",
                            "lessThan": "5.15.202",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.35",
                            "lessThan": "6.1.165",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.287",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.248",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.9",
                            "lessThan": "6.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/kexec_file.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.185",
                                    "versionEndExcluding": "5.10.252"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.118",
                                    "versionEndExcluding": "5.15.202"
                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.35",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.12.75"
                                },
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                                    "versionStartIncluding": "6.4",
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                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "7.0"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19.287"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.248"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3.9"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/027797595a108726f4a0a45d225f603b0ffbd22b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1737d37ae1d2814e6cf0a1af87af3d41f0812b95"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f736032c638a33a243e9126e617788f763d648f9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/875355152b33436907c2a6d2ffad1431fa86c62b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/36eb314184a0ae74dd42914b47d2b9fc43be8034"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5226570bd252cea2e805a161cb0f75c204c3108a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/480e1d5c64bb14441f79f2eb9421d5e26f91ea3d"
                }
            ],
            "title": "kexec: derive purgatory entry from symbol",
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    }
}