{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49959",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.383Z",
        "datePublished": "2025-06-18T11:00:20.749Z",
        "dateUpdated": "2026-05-11T19:09:59.282Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:09:59.282Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: fix memory leak at failed datapath creation\n\novs_dp_cmd_new()->ovs_dp_change()->ovs_dp_set_upcall_portids()\nallocates array via kmalloc.\nIf for some reason new_vport() fails during ovs_dp_cmd_new()\ndp->upcall_portids must be freed.\nAdd missing kfree.\n\nKmemleak example:\nunreferenced object 0xffff88800c382500 (size 64):\n  comm \"dump_state\", pid 323, jiffies 4294955418 (age 104.347s)\n  hex dump (first 32 bytes):\n    5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff  ^.y..z8..!8.....\n    03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00  ............(...\n  backtrace:\n    [<0000000071bebc9f>] ovs_dp_set_upcall_portids+0x38/0xa0\n    [<000000000187d8bd>] ovs_dp_change+0x63/0xe0\n    [<000000002397e446>] ovs_dp_cmd_new+0x1f0/0x380\n    [<00000000aa06f36e>] genl_family_rcv_msg_doit+0xea/0x150\n    [<000000008f583bc4>] genl_rcv_msg+0xdc/0x1e0\n    [<00000000fa10e377>] netlink_rcv_skb+0x50/0x100\n    [<000000004959cece>] genl_rcv+0x24/0x40\n    [<000000004699ac7f>] netlink_unicast+0x23e/0x360\n    [<00000000c153573e>] netlink_sendmsg+0x24e/0x4b0\n    [<000000006f4aa380>] sock_sendmsg+0x62/0x70\n    [<00000000d0068654>] ____sys_sendmsg+0x230/0x270\n    [<0000000012dacf7d>] ___sys_sendmsg+0x88/0xd0\n    [<0000000011776020>] __sys_sendmsg+0x59/0xa0\n    [<000000002e8f2dc1>] do_syscall_64+0x3b/0x90\n    [<000000003243e7cb>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/openvswitch/datapath.c"
                    ],
                    "versions": [
                        {
                            "version": "b83d23a2a38b1770da0491257ae81d52307f7816",
                            "lessThan": "ca54b2bfaab385778e55a9fd33f6c31e7f743b48",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b83d23a2a38b1770da0491257ae81d52307f7816",
                            "lessThan": "c0c1c0241917459644326a1a3102207c871ae159",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b83d23a2a38b1770da0491257ae81d52307f7816",
                            "lessThan": "a87406f4adee9c53b311d8a1ba2849c69e29a6d0",
                            "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/openvswitch/datapath.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.66",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.8",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "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": "5.15",
                                    "versionEndExcluding": "5.15.66"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "5.19.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ca54b2bfaab385778e55a9fd33f6c31e7f743b48"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c0c1c0241917459644326a1a3102207c871ae159"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a87406f4adee9c53b311d8a1ba2849c69e29a6d0"
                }
            ],
            "title": "openvswitch: fix memory leak at failed datapath creation",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}