{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49692",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.442Z",
        "datePublished": "2025-02-26T02:24:15.616Z",
        "dateUpdated": "2026-05-11T19:04:49.046Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:49.046Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: at803x: fix NULL pointer dereference on AR9331 PHY\n\nLatest kernel will explode on the PHY interrupt config, since it depends\nnow on allocated priv. So, run probe to allocate priv to fix it.\n\n ar9331_switch ethernet.1:10 lan0 (uninitialized): PHY [!ahb!ethernet@1a000000!mdio!switch@10:00] driver [Qualcomm Atheros AR9331 built-in PHY] (irq=13)\n CPU 0 Unable to handle kernel paging request at virtual address 0000000a, epc == 8050e8a8, ra == 80504b34\n         ...\n Call Trace:\n [<8050e8a8>] at803x_config_intr+0x5c/0xd0\n [<80504b34>] phy_request_interrupt+0xa8/0xd0\n [<8050289c>] phylink_bringup_phy+0x2d8/0x3ac\n [<80502b68>] phylink_fwnode_phy_connect+0x118/0x130\n [<8074d8ec>] dsa_slave_create+0x270/0x420\n [<80743b04>] dsa_port_setup+0x12c/0x148\n [<8074580c>] dsa_register_switch+0xaf0/0xcc0\n [<80511344>] ar9331_sw_probe+0x370/0x388\n [<8050cb78>] mdio_probe+0x44/0x70\n [<804df300>] really_probe+0x200/0x424\n [<804df7b4>] __driver_probe_device+0x290/0x298\n [<804df810>] driver_probe_device+0x54/0xe4\n [<804dfd50>] __device_attach_driver+0xe4/0x130\n [<804dcb00>] bus_for_each_drv+0xb4/0xd8\n [<804dfac4>] __device_attach+0x104/0x1a4\n [<804ddd24>] bus_probe_device+0x48/0xc4\n [<804deb44>] deferred_probe_work_func+0xf0/0x10c\n [<800a0ffc>] process_one_work+0x314/0x4d4\n [<800a17fc>] worker_thread+0x2a4/0x354\n [<800a9a54>] kthread+0x134/0x13c\n [<8006306c>] ret_from_kernel_thread+0x14/0x1c\n\nSame Issue would affect some other PHYs (QCA8081, QCA9561), so fix it\ntoo."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/phy/at803x.c"
                    ],
                    "versions": [
                        {
                            "version": "3265f421887847db9ae2c01a00645e33608556d8",
                            "lessThan": "66fa352215e8455ba2e5f33793535795bd3e36ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3265f421887847db9ae2c01a00645e33608556d8",
                            "lessThan": "9926de7315be3d606cc011a305ad9adb9e8e14c9",
                            "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/phy/at803x.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.8",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "5.18",
                                    "versionEndExcluding": "5.18.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/66fa352215e8455ba2e5f33793535795bd3e36ca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9926de7315be3d606cc011a305ad9adb9e8e14c9"
                }
            ],
            "title": "net: phy: at803x: fix NULL pointer dereference on AR9331 PHY",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-49692",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:32:45.832458Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-476",
                                "description": "CWE-476 NULL Pointer Dereference"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:36:46.052Z"
                }
            }
        ]
    }
}