{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98804",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.371Z",
        "datePublished": "2026-10-18T15:48:51.062Z",
        "dateUpdated": "2026-10-19T09:25:57.688Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:25:57.688Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()\n\nWith CONFIG_PAGE_POOL_STATS=y, page_pool_recycle_ring_bulk() updates\nthe recycle stats after dropping the producer lock. If it just recycled\nthe last inflight netmems of a pool being destroyed, page_pool_release()\ncan pass its producer-lock barrier and free the pool before\nrecycle_stat_add() runs.\n\nCommit fcc680a647ba7 (\"page_pool: allow mixing PPs within one bulk\")\nmoved this stat update after the unlock. Commit 271683bb2cf32\n(\"page_pool: Fix use-after-free in page_pool_recycle_in_ring\") later\nadded the barrier, but only fixed page_pool_recycle_in_ring(). Move\nthe update back under the lock."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/core/page_pool.c"
                    ],
                    "versions": [
                        {
                            "version": "fcc680a647ba77370480fe753664cc10d572b240",
                            "lessThan": "f78d45d5f1ac4141a03f033141368671da4293e4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fcc680a647ba77370480fe753664cc10d572b240",
                            "lessThan": "0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fcc680a647ba77370480fe753664cc10d572b240",
                            "lessThan": "bdea4980182e3badac74f04df6c07492b91c569e",
                            "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/core/page_pool.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.14",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "7.2.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f78d45d5f1ac4141a03f033141368671da4293e4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e"
                }
            ],
            "title": "net: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}