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    "cveMetadata": {
        "cveId": "CVE-2024-41055",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-12T12:17:45.627Z",
        "datePublished": "2024-07-29T14:32:10.672Z",
        "dateUpdated": "2024-09-11T17:33:01.312Z"
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                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: prevent derefencing NULL ptr in pfn_section_valid()\n\nCommit 5ec8e8ea8b77 (\"mm/sparsemem: fix race in accessing\nmemory_section->usage\") changed pfn_section_valid() to add a READ_ONCE()\ncall around \"ms->usage\" to fix a race with section_deactivate() where\nms->usage can be cleared.  The READ_ONCE() call, by itself, is not enough\nto prevent NULL pointer dereference.  We need to check its value before\ndereferencing it."
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/mmzone.h"
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                            "lessThan": "0100aeb8a12d",
                            "status": "affected",
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                            "lessThan": "bc17f2377818",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "68ed9e333240",
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                            "status": "affected",
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                            "version": "6.8",
                            "status": "affected"
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                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
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                        },
                        {
                            "version": "5.10.222",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
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                        {
                            "version": "5.15.163",
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                            "status": "unaffected",
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                        {
                            "version": "6.1.100",
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                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.41",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
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                        {
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                            "version": "6.10",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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                    "url": "https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982"
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                },
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                },
                {
                    "url": "https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e"
                }
            ],
            "title": "mm: prevent derefencing NULL ptr in pfn_section_valid()",
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                },
                "title": "CVE Program Container",
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                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-41055",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:22:28.194623Z"
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