{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-42109",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-29T15:50:41.176Z",
        "datePublished": "2024-07-30T07:46:04.194Z",
        "dateUpdated": "2024-09-11T17:33:06.893Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-07-30T07:46:04.194Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: unconditionally flush pending work before notifier\n\nsyzbot reports:\n\nKASAN: slab-uaf in nft_ctx_update include/net/netfilter/nf_tables.h:1831\nKASAN: slab-uaf in nft_commit_release net/netfilter/nf_tables_api.c:9530\nKASAN: slab-uaf int nf_tables_trans_destroy_work+0x152b/0x1750 net/netfilter/nf_tables_api.c:9597\nRead of size 2 at addr ffff88802b0051c4 by task kworker/1:1/45\n[..]\nWorkqueue: events nf_tables_trans_destroy_work\nCall Trace:\n nft_ctx_update include/net/netfilter/nf_tables.h:1831 [inline]\n nft_commit_release net/netfilter/nf_tables_api.c:9530 [inline]\n nf_tables_trans_destroy_work+0x152b/0x1750 net/netfilter/nf_tables_api.c:9597\n\nProblem is that the notifier does a conditional flush, but its possible\nthat the table-to-be-removed is still referenced by transactions being\nprocessed by the worker, so we need to flush unconditionally.\n\nWe could make the flush_work depend on whether we found a table to delete\nin nf-next to avoid the flush for most cases.\n\nAFAICS this problem is only exposed in nf-next, with\ncommit e169285f8c56 (\"netfilter: nf_tables: do not store nft_ctx in transaction objects\"),\nwith this commit applied there is an unconditional fetch of\ntable->family which is whats triggering the above splat."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_tables_api.c"
                    ],
                    "versions": [
                        {
                            "version": "f22954f8c58f",
                            "lessThan": "3325628cb36b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41841b585e53",
                            "lessThan": "4c06c13317b9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c9f0293280e",
                            "lessThan": "55a40406aac5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c9f0293280e",
                            "lessThan": "09e650c3a3a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c9f0293280e",
                            "lessThan": "9f6958ba2e90",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_tables_api.c"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.163",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.98",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.39",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.9.9",
                            "lessThanOrEqual": "6.9.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3325628cb36b7f216c5716e7b5124d9dc81199e4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4c06c13317b9a08decedcd7aaf706691e336277c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/55a40406aac555defe9bdd0adec9508116ce7cb1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/09e650c3a3a7d804430260510534ccbf71c75b2e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f6958ba2e902f9820c594869bd710ba74b7c4c0"
                }
            ],
            "title": "netfilter: nf_tables: unconditionally flush pending work before notifier",
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                "engine": "bippy-c9c4e1df01b2"
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        },
        "adp": [
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                    "dateUpdated": "2024-08-02T04:54:31.956Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/3325628cb36b7f216c5716e7b5124d9dc81199e4",
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            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-42109",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:17:36.218121Z"
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                ],
                "title": "CISA ADP Vulnrichment",
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