{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50854",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.134Z",
        "datePublished": "2025-12-30T12:15:29.792Z",
        "dateUpdated": "2026-05-11T19:26:24.301Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:26:24.301Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: virtual_ncidev: Fix memory leak in virtual_nci_send()\n\nskb should be free in virtual_nci_send(), otherwise kmemleak will report\nmemleak.\n\nSteps for reproduction (simulated in qemu):\n\tcd tools/testing/selftests/nci\n\tmake\n\t./nci_dev\n\nBUG: memory leak\nunreferenced object 0xffff888107588000 (size 208):\n  comm \"nci_dev\", pid 206, jiffies 4294945376 (age 368.248s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<000000008d94c8fd>] __alloc_skb+0x1da/0x290\n    [<00000000278bc7f8>] nci_send_cmd+0xa3/0x350\n    [<0000000081256a22>] nci_reset_req+0x6b/0xa0\n    [<000000009e721112>] __nci_request+0x90/0x250\n    [<000000005d556e59>] nci_dev_up+0x217/0x5b0\n    [<00000000e618ce62>] nfc_dev_up+0x114/0x220\n    [<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0\n    [<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0\n    [<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640\n    [<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350\n    [<00000000440cfb1e>] genl_rcv+0x24/0x40\n    [<0000000062593b40>] netlink_unicast+0x43f/0x640\n    [<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0\n    [<000000003272487f>] __sys_sendto+0x324/0x370\n    [<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0\n    [<000000001e437841>] do_syscall_64+0x3f/0x90"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nfc/virtual_ncidev.c"
                    ],
                    "versions": [
                        {
                            "version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5",
                            "lessThan": "88e879c9f59511174ef0ab1a3c9c83e2dbf8a213",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5",
                            "lessThan": "2c46a9a5f0b1c7341aa67667801079f3ff571678",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5",
                            "lessThan": "e840d8f4a1b323973052a1af5ad4edafcde8ae3d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nfc/virtual_ncidev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.77",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.7",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.12",
                                    "versionEndExcluding": "5.15.77"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/88e879c9f59511174ef0ab1a3c9c83e2dbf8a213"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2c46a9a5f0b1c7341aa67667801079f3ff571678"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e840d8f4a1b323973052a1af5ad4edafcde8ae3d"
                }
            ],
            "title": "nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}