{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-46800",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-09-11T15:12:18.280Z",
        "datePublished": "2024-09-18T07:12:54.330Z",
        "dateUpdated": "2024-09-29T14:21:58.260Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-18T07:12:54.330Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsch/netem: fix use after free in netem_dequeue\n\nIf netem_dequeue() enqueues packet to inner qdisc and that qdisc\nreturns __NET_XMIT_STOLEN. The packet is dropped but\nqdisc_tree_reduce_backlog() is not called to update the parent's\nq.qlen, leading to the similar use-after-free as Commit\ne04991a48dbaf382 (\"netem: fix return value if duplicate enqueue\nfails\")\n\nCommands to trigger KASAN UaF:\n\nip link add type dummy\nip link set lo up\nip link set dummy0 up\ntc qdisc add dev lo parent root handle 1: drr\ntc filter add dev lo parent 1: basic classid 1:1\ntc class add dev lo classid 1:1 drr\ntc qdisc add dev lo parent 1:1 handle 2: netem\ntc qdisc add dev lo parent 2: handle 3: drr\ntc filter add dev lo parent 3: basic classid 3:1 action mirred egress\nredirect dev dummy0\ntc class add dev lo classid 3:1 drr\nping -c1 -W0.01 localhost # Trigger bug\ntc class del dev lo classid 1:1\ntc class add dev lo classid 1:1 drr\nping -c1 -W0.01 localhost # UaF"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/sched/sch_netem.c"
                    ],
                    "versions": [
                        {
                            "version": "50612537e9ab",
                            "lessThan": "f0bddb4de043",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "295ad5afd9ef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "98c75d761879",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "14f91ab8d391",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "db2c23568291",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "dde33a9d0b80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "32008ab989dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "50612537e9ab",
                            "lessThan": "3b3a2a9c6349",
                            "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/sched/sch_netem.c"
                    ],
                    "versions": [
                        {
                            "version": "3.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.3",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.19.322",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.4.284",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.226",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.167",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.110",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.51",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.10",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f0bddb4de043399f16d1969dad5ee5b984a64e7b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/295ad5afd9efc5f67b86c64fce28fb94e26dc4c9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98c75d76187944296068d685dfd8a1e9fd8c4fdc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/14f91ab8d391f249b845916820a56f42cf747241"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db2c235682913a63054e741fe4e19645fdf2d68e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dde33a9d0b80aae0c69594d1f462515d7ff1cb3d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32008ab989ddcff1a485fa2b4906234c25dc5cd6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b3a2a9c6349e25a025d2330f479bc33a6ccb54a"
                }
            ],
            "title": "sch/netem: fix use after free in netem_dequeue",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-09-29T14:21:46.451136Z",
                                "id": "CVE-2024-46800",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-29T14:21:58.260Z"
                }
            }
        ]
    }
}