{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49318",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.537Z",
        "datePublished": "2025-02-26T02:10:44.557Z",
        "dateUpdated": "2026-08-15T12:22:35.531Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-15T12:22:35.531Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: remove WARN_ON in f2fs_is_valid_blkaddr\n\nSyzbot triggers two WARNs in f2fs_is_valid_blkaddr and\n__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\n\n f2fs_get_node_info+0x45f/0x1070\n read_node_page+0x577/0x1190\n __get_node_page.part.0+0x9e/0x10e0\n __get_node_page\n f2fs_get_node_page+0x109/0x180\n do_read_inode\n f2fs_iget+0x2a5/0x58b0\n f2fs_fill_super+0x3b39/0x7ca0\n\nFix these two WARNs by replacing WARN_ON with dump_stack."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/checkpoint.c"
                    ],
                    "versions": [
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "32bea51fe4c6e92c00403739f7547c89219bea88",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "99c09b298e47ebbe345a6da9f268b32a6b0f4582",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "cd6374af36cc548464d8c47a93fdba7303bb82a4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "8c62c5e26345c34d199b4b8c8e69255ba3d0e751",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9b60788fc760d136211853f10ce73dc152d1f4a",
                            "lessThan": "dc2f78e2d4cc844a1458653d57ce1b54d4a29f21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bdffda8db8d9e0125b9a41edc420c39f9905c6ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aafb371575161e315a98dee978b72f9d5357791b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ad19d1e78fd51f5b4bf3ebbcbf3a133c8c03c49d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.4.172",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.144",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.86",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/checkpoint.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.198",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.122",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.47",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.15",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.4",
                            "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": "4.19",
                                    "versionEndExcluding": "5.4.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.122"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.47"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.17.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.18.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4.172"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9.144"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14.86"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32bea51fe4c6e92c00403739f7547c89219bea88"
                },
                {
                    "url": "https://git.kernel.org/stable/c/99c09b298e47ebbe345a6da9f268b32a6b0f4582"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd6374af36cc548464d8c47a93fdba7303bb82a4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c62c5e26345c34d199b4b8c8e69255ba3d0e751"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc2f78e2d4cc844a1458653d57ce1b54d4a29f21"
                }
            ],
            "title": "f2fs: remove WARN_ON in f2fs_is_valid_blkaddr",
            "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-2022-49318",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:43:51.397686Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:46:56.972Z"
                }
            }
        ]
    }
}