{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-41096",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-12T12:17:45.637Z",
        "datePublished": "2024-07-29T15:48:09.247Z",
        "dateUpdated": "2024-09-11T17:33:09.074Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-08T07:19:32.584Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/MSI: Fix UAF in msi_capability_init\n\nKFENCE reports the following UAF:\n\n BUG: KFENCE: use-after-free read in __pci_enable_msi_range+0x2c0/0x488\n\n Use-after-free read at 0x0000000024629571 (in kfence-#12):\n  __pci_enable_msi_range+0x2c0/0x488\n  pci_alloc_irq_vectors_affinity+0xec/0x14c\n  pci_alloc_irq_vectors+0x18/0x28\n\n kfence-#12: 0x0000000008614900-0x00000000e06c228d, size=104, cache=kmalloc-128\n\n allocated by task 81 on cpu 7 at 10.808142s:\n  __kmem_cache_alloc_node+0x1f0/0x2bc\n  kmalloc_trace+0x44/0x138\n  msi_alloc_desc+0x3c/0x9c\n  msi_domain_insert_msi_desc+0x30/0x78\n  msi_setup_msi_desc+0x13c/0x184\n  __pci_enable_msi_range+0x258/0x488\n  pci_alloc_irq_vectors_affinity+0xec/0x14c\n  pci_alloc_irq_vectors+0x18/0x28\n\n freed by task 81 on cpu 7 at 10.811436s:\n  msi_domain_free_descs+0xd4/0x10c\n  msi_domain_free_locked.part.0+0xc0/0x1d8\n  msi_domain_alloc_irqs_all_locked+0xb4/0xbc\n  pci_msi_setup_msi_irqs+0x30/0x4c\n  __pci_enable_msi_range+0x2a8/0x488\n  pci_alloc_irq_vectors_affinity+0xec/0x14c\n  pci_alloc_irq_vectors+0x18/0x28\n\nDescriptor allocation done in:\n__pci_enable_msi_range\n    msi_capability_init\n        msi_setup_msi_desc\n            msi_insert_msi_desc\n                msi_domain_insert_msi_desc\n                    msi_alloc_desc\n                        ...\n\nFreed in case of failure in __msi_domain_alloc_locked()\n__pci_enable_msi_range\n    msi_capability_init\n        pci_msi_setup_msi_irqs\n            msi_domain_alloc_irqs_all_locked\n                msi_domain_alloc_locked\n                    __msi_domain_alloc_locked => fails\n                    msi_domain_free_locked\n                        ...\n\nThat failure propagates back to pci_msi_setup_msi_irqs() in\nmsi_capability_init() which accesses the descriptor for unmasking in the\nerror exit path.\n\nCure it by copying the descriptor and using the copy for the error exit path\nunmask operation.\n\n[ tglx: Massaged change log ]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pci/msi/msi.c"
                    ],
                    "versions": [
                        {
                            "version": "bf6e054e0e3f",
                            "lessThan": "0ae40b2d0a5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bf6e054e0e3f",
                            "lessThan": "ff1121d2214b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bf6e054e0e3f",
                            "lessThan": "45fc8d20e076",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bf6e054e0e3f",
                            "lessThan": "9eee5330656b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pci/msi/msi.c"
                    ],
                    "versions": [
                        {
                            "version": "5.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.17",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.109",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.37",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.9.8",
                            "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/0ae40b2d0a5de6b045504098e365d4fdff5bbeba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff1121d2214b794dc1772081f27bdd90721a84bc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1"
                }
            ],
            "title": "PCI/MSI: Fix UAF in msi_capability_init",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T04:46:52.351Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/ff1121d2214b794dc1772081f27bdd90721a84bc",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-41096",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T16:20:22.209715Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-11T17:33:09.074Z"
                }
            }
        ]
    }
}