{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-43854",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-17T09:11:59.278Z",
        "datePublished": "2024-08-17T09:22:11.297Z",
        "dateUpdated": "2024-09-15T17:54:20.298Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-15T17:54:20.298Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: initialize integrity buffer to zero before writing it to media\n\nMetadata added by bio_integrity_prep is using plain kmalloc, which leads\nto random kernel memory being written media.  For PI metadata this is\nlimited to the app tag that isn't used by kernel generated metadata,\nbut for non-PI metadata the entire buffer leaks kernel memory.\n\nFix this by adding the __GFP_ZERO flag to allocations for writes."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/bio-integrity.c"
                    ],
                    "versions": [
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "9f4af4cf08f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "129f95948a96",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "3fd11fe4f207",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "cf6b45ea7a8d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "d418313bd8f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "23a19655fb56",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "ebc0e91ba76d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7ba1ba12eeef",
                            "lessThan": "899ee2c3829c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/bio-integrity.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.27",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.27",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.19.322",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.4.284",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.226",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.165",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.103",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.44",
                            "lessThanOrEqual": "6.6.*",
                            "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/9f4af4cf08f9a0329ade3d938f55d2220c40d0a6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/129f95948a96105c1fad8e612c9097763e88ac5f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3fd11fe4f20756b4c0847f755a64cd96f8c6a005"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf6b45ea7a8df0f61bded1dc4a8561ac6ad143d2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d418313bd8f55c079a7da12651951b489a638ac1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/23a19655fb56f241e592041156dfb1c6d04da644"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ebc0e91ba76dc6544fff9f5b66408b1982806a00"
                },
                {
                    "url": "https://git.kernel.org/stable/c/899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f"
                }
            ],
            "title": "block: initialize integrity buffer to zero before writing it to media",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-43854",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:07:14.517245Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:33:20.780Z"
                }
            }
        ]
    }
}