{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-42300",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-30T07:40:12.270Z",
        "datePublished": "2024-08-17T09:09:07.311Z",
        "dateUpdated": "2024-09-15T17:53:08.907Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-15T17:53:08.907Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix race in z_erofs_get_gbuf()\n\nIn z_erofs_get_gbuf(), the current task may be migrated to another\nCPU between `z_erofs_gbuf_id()` and `spin_lock(&gbuf->lock)`.\n\nTherefore, z_erofs_put_gbuf() will trigger the following issue\nwhich was found by stress test:\n\n<2>[772156.434168] kernel BUG at fs/erofs/zutil.c:58!\n..\n<4>[772156.435007]\n<4>[772156.439237] CPU: 0 PID: 3078 Comm: stress Kdump: loaded Tainted: G            E      6.10.0-rc7+ #2\n<4>[772156.439239] Hardware name: Alibaba Cloud Alibaba Cloud ECS, BIOS 1.0.0 01/01/2017\n<4>[772156.439241] pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\n<4>[772156.439243] pc : z_erofs_put_gbuf+0x64/0x70 [erofs]\n<4>[772156.439252] lr : z_erofs_lz4_decompress+0x600/0x6a0 [erofs]\n..\n<6>[772156.445958] stress (3127): drop_caches: 1\n<4>[772156.446120] Call trace:\n<4>[772156.446121]  z_erofs_put_gbuf+0x64/0x70 [erofs]\n<4>[772156.446761]  z_erofs_lz4_decompress+0x600/0x6a0 [erofs]\n<4>[772156.446897]  z_erofs_decompress_queue+0x740/0xa10 [erofs]\n<4>[772156.447036]  z_erofs_runqueue+0x428/0x8c0 [erofs]\n<4>[772156.447160]  z_erofs_readahead+0x224/0x390 [erofs]\n.."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/erofs/zutil.c"
                    ],
                    "versions": [
                        {
                            "version": "f36f3010f676",
                            "lessThan": "49b22e06a947",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f36f3010f676",
                            "lessThan": "7dc5537c3f8b",
                            "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/erofs/zutil.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.3",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/49b22e06a947727a6d1c802d2d9ad92420b90fc5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7dc5537c3f8be87e005f0844a7626c987914f8fd"
                }
            ],
            "title": "erofs: fix race in z_erofs_get_gbuf()",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-42300",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:10:35.332066Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:33:28.436Z"
                }
            }
        ]
    }
}