{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49360",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.546Z",
        "datePublished": "2025-02-26T02:11:08.402Z",
        "dateUpdated": "2026-08-15T12:22:37.697Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-15T12:22:37.697Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on total_data_blocks\n\nAs Yanming reported in bugzilla:\n\nhttps://bugzilla.kernel.org/show_bug.cgi?id=215916\n\nThe kernel message is shown below:\n\nkernel BUG at fs/f2fs/segment.c:2560!\nCall Trace:\n allocate_segment_by_default+0x228/0x440\n f2fs_allocate_data_block+0x13d1/0x31f0\n do_write_page+0x18d/0x710\n f2fs_outplace_write_data+0x151/0x250\n f2fs_do_write_data_page+0xef9/0x1980\n move_data_page+0x6af/0xbc0\n do_garbage_collect+0x312f/0x46f0\n f2fs_gc+0x6b0/0x3bc0\n f2fs_balance_fs+0x921/0x2260\n f2fs_write_single_data_page+0x16be/0x2370\n f2fs_write_cache_pages+0x428/0xd00\n f2fs_write_data_pages+0x96e/0xd50\n do_writepages+0x168/0x550\n __writeback_single_inode+0x9f/0x870\n writeback_sb_inodes+0x47d/0xb20\n __writeback_inodes_wb+0xb2/0x200\n wb_writeback+0x4bd/0x660\n wb_workfn+0x5f3/0xab0\n process_one_work+0x79f/0x13e0\n worker_thread+0x89/0xf60\n kthread+0x26a/0x300\n ret_from_fork+0x22/0x30\nRIP: 0010:new_curseg+0xe8d/0x15f0\n\nThe root cause is: ckpt.valid_block_count is inconsistent with SIT table,\nstat info indicates filesystem has free blocks, but SIT table indicates\nfilesystem has no free segment.\n\nSo that during garbage colloection, it triggers panic when LFS allocator\nfails to find free segment.\n\nThis patch tries to fix this issue by checking consistency in between\nckpt.valid_block_count and block accounted from SIT."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/f2fs.h",
                        "fs/f2fs/segment.c",
                        "fs/f2fs/segment.h"
                    ],
                    "versions": [
                        {
                            "version": "351df4b201157351c7d26bf12c3eeb9dbce98854",
                            "lessThan": "ef221b738b26d8c9f7e7967f4586db2dd3bd5288",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "351df4b201157351c7d26bf12c3eeb9dbce98854",
                            "lessThan": "c9e4cd5b0ccd7168801d6a811919171b185c5cf8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "351df4b201157351c7d26bf12c3eeb9dbce98854",
                            "lessThan": "071b1269a3b3ad9cec16ed76a48015bfffd9aee8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "351df4b201157351c7d26bf12c3eeb9dbce98854",
                            "lessThan": "cc8c9df19971e59ebbe669ce710080e347dfec32",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "351df4b201157351c7d26bf12c3eeb9dbce98854",
                            "lessThan": "6b8beca0edd32075a769bfe4178ca00c0dcd22a9",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/f2fs.h",
                        "fs/f2fs/segment.c",
                        "fs/f2fs/segment.h"
                    ],
                    "versions": [
                        {
                            "version": "3.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.121",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.46",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.14",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.3",
                            "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": "3.8",
                                    "versionEndExcluding": "5.10.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "5.15.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "5.17.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "5.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.8",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ef221b738b26d8c9f7e7967f4586db2dd3bd5288"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c9e4cd5b0ccd7168801d6a811919171b185c5cf8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/071b1269a3b3ad9cec16ed76a48015bfffd9aee8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc8c9df19971e59ebbe669ce710080e347dfec32"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6b8beca0edd32075a769bfe4178ca00c0dcd22a9"
                }
            ],
            "title": "f2fs: fix to do sanity check on total_data_blocks",
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    }
}