{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49859",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.235Z",
        "datePublished": "2025-05-01T14:10:13.204Z",
        "dateUpdated": "2026-05-11T19:08:07.378Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:08:07.378Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: fix issue of invalid opcode in lapbeth_open()\n\nIf lapb_register() failed when lapb device goes to up for the first time,\nthe NAPI is not disabled. As a result, the invalid opcode issue is\nreported when the lapb device goes to up for the second time.\n\nThe stack info is as follows:\n[ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!\n[ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0\n[ 1958.332310][T11356] Call Trace:\n[ 1958.332817][T11356]  <TASK>\n[ 1958.336135][T11356]  lapbeth_open+0x18/0x90\n[ 1958.337446][T11356]  __dev_open+0x258/0x490\n[ 1958.341672][T11356]  __dev_change_flags+0x4d4/0x6a0\n[ 1958.345325][T11356]  dev_change_flags+0x93/0x160\n[ 1958.346027][T11356]  devinet_ioctl+0x1276/0x1bf0\n[ 1958.346738][T11356]  inet_ioctl+0x1c8/0x2d0\n[ 1958.349638][T11356]  sock_ioctl+0x5d1/0x750\n[ 1958.356059][T11356]  __x64_sys_ioctl+0x3ec/0x1790\n[ 1958.365594][T11356]  do_syscall_64+0x35/0x80\n[ 1958.366239][T11356]  entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 1958.377381][T11356]  </TASK>"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wan/lapbether.c"
                    ],
                    "versions": [
                        {
                            "version": "514e1150da9cd8d7978d990a353636cf1a7a87c2",
                            "lessThan": "4689bd3a1b23a1bd917899e63b81bca2ccdfab45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "514e1150da9cd8d7978d990a353636cf1a7a87c2",
                            "lessThan": "ed4940050a7ce7fc2ccd51db580ef1ade64290b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "514e1150da9cd8d7978d990a353636cf1a7a87c2",
                            "lessThan": "3faf7e14ec0c3462c2d747fa6793b8645d1391df",
                            "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/net/wan/lapbether.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.79",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.9",
                            "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": "5.13",
                                    "versionEndExcluding": "5.15.79"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.0.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4689bd3a1b23a1bd917899e63b81bca2ccdfab45"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed4940050a7ce7fc2ccd51db580ef1ade64290b1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3faf7e14ec0c3462c2d747fa6793b8645d1391df"
                }
            ],
            "title": "net: lapbether: fix issue of invalid opcode in lapbeth_open()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}