CVE-2024-41096 - OpenCVE (2024)

{"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": "2024-08-02T04:46:52.351Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T15:48:09.247Z"}, "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": "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": "6.6.37", "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/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"]}]}]}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A068371-F559-419E-A5D4-13A6DB320A21", "versionEndExcluding": "6.6.37", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E95105F2-32E3-4C5F-9D18-7AEFD0E6275C", "versionEndExcluding": "6.9.8", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 ]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI/MSI: corrige UAF en msi_capability_init KFENCE informa el siguiente UAF: ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en __pci_enable_msi_range+0x2c0/0x488 Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x0000000024629571 (en kfence-#12): __pci_enable_msi_range+0x2c0/0x488 pci_alloc_irq_vectors_affinity+0xec/0x14c pci_alloc_irq_vectors+0x18/0x28 kfence-#12: 0x0000000008614900-0x00000000e06c22 8d, tama\u00f1o=104, cach\u00e9=kmalloc-128 asignado por la tarea 81 en la CPU 7 en 10.808142 s: __kmem_cache_alloc_node+0x1f0/0x2bc kmalloc_trace+0x44/0x138 msi_alloc_desc+0x3c/0x9c msi_domain_insert_msi_desc+0x30/0x78 msi_setup_msi_desc+0x13c/0x184 __pci_enable_msi_range+0 x258/0x488 pci_alloc_irq_vectors_affinity+0xec/0x14c pci_alloc_irq_vectors+0x18/0x28 liberado por la tarea 81 en la CPU 7 en 10.811436s: msi_domain_free_descs+0xd4/0x10c msi_domain_free_locked.part.0+0xc0/0x1d8 msi_domain_alloc_irqs_all_locked+0xb4/0xbc pci_msi_setup_msi_irqs+0x30/0x4c __pci_enable_msi_range+ 0x2a8/0x488 pci_alloc_irq_vectors_affinity+0xec/0x14c pci_alloc_irq_vectors+0x18/0x28 Asignaci\u00f3n de descriptores realizada en: __pci_enable_msi_range msi_capability_init msi_setup_msi_desc msi_insert_msi_desc msi_domain_insert_msi_desc msi_alloc_desc ... Liberado en caso de fallo en __msi_domain_alloc_locked() __pci_enable_msi_range msi_capability_init pci_msi_setup_msi_irqs msi_domain_alloc_irqs_all_locked msi_domain_alloc_locked __msi_ domain_alloc_locked => falla msi_domain_free_locked... Ese error se propaga nuevamente a pci_msi_setup_msi_irqs() en msi_capability_init() que accede al descriptor para desenmascarar en la salida de error camino. Sor\u00e9guelo copiando el descriptor y usando la copia para la operaci\u00f3n de desenmascarar la ruta de salida del error. [tglx: registro de cambios masajeado]"}], "id": "CVE-2024-41096", "lastModified": "2024-08-08T17:26:54.243", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-07-29T16:15:04.683", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ff1121d2214b794dc1772081f27bdd90721a84bc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: PCI/MSI: Fix UAF in msi_capability_init", "id": "2300491", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300491"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI/MSI: Fix UAF in msi_capability_init\nKFENCE reports the following UAF:\nBUG: KFENCE: use-after-free read in __pci_enable_msi_range+0x2c0/0x488\nUse-after-free read at 0x0000000024629571 (in kfence-#12):\n__pci_enable_msi_range+0x2c0/0x488\npci_alloc_irq_vectors_affinity+0xec/0x14c\npci_alloc_irq_vectors+0x18/0x28\nkfence-#12: 0x0000000008614900-0x00000000e06c228d, size=104, cache=kmalloc-128\nallocated by task 81 on cpu 7 at 10.808142s:\n__kmem_cache_alloc_node+0x1f0/0x2bc\nkmalloc_trace+0x44/0x138\nmsi_alloc_desc+0x3c/0x9c\nmsi_domain_insert_msi_desc+0x30/0x78\nmsi_setup_msi_desc+0x13c/0x184\n__pci_enable_msi_range+0x258/0x488\npci_alloc_irq_vectors_affinity+0xec/0x14c\npci_alloc_irq_vectors+0x18/0x28\nfreed by task 81 on cpu 7 at 10.811436s:\nmsi_domain_free_descs+0xd4/0x10c\nmsi_domain_free_locked.part.0+0xc0/0x1d8\nmsi_domain_alloc_irqs_all_locked+0xb4/0xbc\npci_msi_setup_msi_irqs+0x30/0x4c\n__pci_enable_msi_range+0x2a8/0x488\npci_alloc_irq_vectors_affinity+0xec/0x14c\npci_alloc_irq_vectors+0x18/0x28\nDescriptor allocation done in:\n__pci_enable_msi_range\nmsi_capability_init\nmsi_setup_msi_desc\nmsi_insert_msi_desc\nmsi_domain_insert_msi_desc\nmsi_alloc_desc\n...\nFreed in case of failure in __msi_domain_alloc_locked()\n__pci_enable_msi_range\nmsi_capability_init\npci_msi_setup_msi_irqs\nmsi_domain_alloc_irqs_all_locked\nmsi_domain_alloc_locked\n__msi_domain_alloc_locked => fails\nmsi_domain_free_locked\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.\nCure it by copying the descriptor and using the copy for the error exit path\nunmask operation.\n[ tglx: Massaged change log ]"], "name": "CVE-2024-41096", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41096\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41096\nhttps://lore.kernel.org/linux-cve-announce/2024072954-CVE-2024-41096-4ed0@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.6.37, kernel 6.9.8, kernel 6.10"}