{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-41067",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-12T12:17:45.630Z",
        "datePublished": "2024-07-29T14:57:28.543Z",
        "dateUpdated": "2024-09-11T17:34:00.426Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-07-29T14:57:28.543Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: scrub: handle RST lookup error correctly\n\n[BUG]\nWhen running btrfs/060 with forced RST feature, it would crash the\nfollowing ASSERT() inside scrub_read_endio():\n\n\tASSERT(sector_nr < stripe->nr_sectors);\n\nBefore that, we would have tree dump from\nbtrfs_get_raid_extent_offset(), as we failed to find the RST entry for\nthe range.\n\n[CAUSE]\nInside scrub_submit_extent_sector_read() every time we allocated a new\nbbio we immediately called btrfs_map_block() to make sure there was some\nRST range covering the scrub target.\n\nBut if btrfs_map_block() fails, we immediately call endio for the bbio,\nwhile the bbio is newly allocated, it's completely empty.\n\nThen inside scrub_read_endio(), we go through the bvecs to find\nthe sector number (as bi_sector is no longer reliable if the bio is\nsubmitted to lower layers).\n\nAnd since the bio is empty, such bvecs iteration would not find any\nsector matching the sector, and return sector_nr == stripe->nr_sectors,\ntriggering the ASSERT().\n\n[FIX]\nInstead of calling btrfs_map_block() after allocating a new bbio, call\nbtrfs_map_block() first.\n\nSince our only objective of calling btrfs_map_block() is only to update\nstripe_len, there is really no need to do that after btrfs_alloc_bio().\n\nThis new timing would avoid the problem of handling empty bbio\ncompletely, and in fact fixes a possible race window for the old code,\nwhere if the submission thread is the only owner of the pending_io, the\nscrub would never finish (since we didn't decrease the pending_io\ncounter).\n\nAlthough the root cause of RST lookup failure still needs to be\naddressed."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/scrub.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "17d1fd302a53",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "2c49908634a2",
                            "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/btrfs/scrub.c"
                    ],
                    "versions": [
                        {
                            "version": "6.9.11",
                            "lessThanOrEqual": "6.9.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/17d1fd302a53d7e456a7412da74be74a0cf63a72"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2c49908634a2b97b1c3abe0589be2739ac5e7fd5"
                }
            ],
            "title": "btrfs: scrub: handle RST lookup error correctly",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T04:46:52.378Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/17d1fd302a53d7e456a7412da74be74a0cf63a72",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/2c49908634a2b97b1c3abe0589be2739ac5e7fd5",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-41067",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:21:49.560093Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-11T17:34:00.426Z"
                }
            }
        ]
    }
}