cve-2024-36925
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2024-09-11 17:34
Severity
Summary
swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/75961ffb5cb3e5196f19cae7683f35cc88b50800Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2a6b3ed20f2dea4cb645abc6a73c4595662adcaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f62e0fefcdfe2c05ccb1aa80521a69524eea9c84Patch
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2024-36925",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nswiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y\n\nUsing restricted DMA pools (CONFIG_DMA_RESTRICTED_POOL=y) in conjunction\nwith dynamic SWIOTLB (CONFIG_SWIOTLB_DYNAMIC=y) leads to the following\ncrash when initialising the restricted pools at boot-time:\n\n  | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n  | Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n  | pc : rmem_swiotlb_device_init+0xfc/0x1ec\n  | lr : rmem_swiotlb_device_init+0xf0/0x1ec\n  | Call trace:\n  |  rmem_swiotlb_device_init+0xfc/0x1ec\n  |  of_reserved_mem_device_init_by_idx+0x18c/0x238\n  |  of_dma_configure_id+0x31c/0x33c\n  |  platform_dma_configure+0x34/0x80\n\nfaddr2line reveals that the crash is in the list validation code:\n\n  include/linux/list.h:83\n  include/linux/rculist.h:79\n  include/linux/rculist.h:106\n  kernel/dma/swiotlb.c:306\n  kernel/dma/swiotlb.c:1695\n\nbecause add_mem_pool() is trying to list_add_rcu() to a NULL\n\u0027mem-\u003epools\u0027.\n\nFix the crash by initialising the \u0027mem-\u003epools\u0027 list_head in\nrmem_swiotlb_device_init() before calling add_mem_pool()."
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    "datePublished": "2024-05-30T15:29:19.111Z",
    "dateReserved": "2024-05-30T15:25:07.069Z",
    "dateUpdated": "2024-09-11T17:34:59.873Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36925\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:15.800\",\"lastModified\":\"2024-06-10T19:21:01.693\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nswiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y\\n\\nUsing restricted DMA pools (CONFIG_DMA_RESTRICTED_POOL=y) in conjunction\\nwith dynamic SWIOTLB (CONFIG_SWIOTLB_DYNAMIC=y) leads to the following\\ncrash when initialising the restricted pools at boot-time:\\n\\n  | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008\\n  | Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\\n  | pc : rmem_swiotlb_device_init+0xfc/0x1ec\\n  | lr : rmem_swiotlb_device_init+0xf0/0x1ec\\n  | Call trace:\\n  |  rmem_swiotlb_device_init+0xfc/0x1ec\\n  |  of_reserved_mem_device_init_by_idx+0x18c/0x238\\n  |  of_dma_configure_id+0x31c/0x33c\\n  |  platform_dma_configure+0x34/0x80\\n\\nfaddr2line reveals that the crash is in the list validation code:\\n\\n  include/linux/list.h:83\\n  include/linux/rculist.h:79\\n  include/linux/rculist.h:106\\n  kernel/dma/swiotlb.c:306\\n  kernel/dma/swiotlb.c:1695\\n\\nbecause add_mem_pool() is trying to list_add_rcu() to a NULL\\n\u0027mem-\u003epools\u0027.\\n\\nFix the crash by initialising the \u0027mem-\u003epools\u0027 list_head in\\nrmem_swiotlb_device_init() before calling add_mem_pool().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: swiotlb: inicializa el grupo restringido list_head cuando SWIOTLB_DYNAMIC=y El uso de grupos DMA restringidos (CONFIG_DMA_RESTRICTED_POOL=y) junto con SWIOTLB din\u00e1mico (CONFIG_SWIOTLB_DYNAMIC=y) provoca el siguiente bloqueo al inicializar el grupo restringido grupos en el momento del arranque: | No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000008 | Error interno: Ups: 0000000096000005 [#1] SMP ANTICIPADO | ordenador personal: rmem_swiotlb_device_init+0xfc/0x1ec | lr: rmem_swiotlb_device_init+0xf0/0x1ec | Rastreo de llamadas: | rmem_swiotlb_device_init+0xfc/0x1ec | of_reserved_mem_device_init_by_idx+0x18c/0x238 | of_dma_configure_id+0x31c/0x33c | platform_dma_configure+0x34/0x80 faddr2line revela que el bloqueo est\u00e1 en el c\u00f3digo de validaci\u00f3n de la lista: include/linux/list.h:83 include/linux/rculist.h:79 include/linux/rculist.h:106 kernel/dma/swiotlb. c:306 kernel/dma/swiotlb.c:1695 porque add_mem_pool() est\u00e1 intentando list_add_rcu() a un NULL \u0027mem-\u0026gt;pools\u0027. Solucione el problema inicializando el list_head \u0027mem-\u0026gt;pools\u0027 en rmem_swiotlb_device_init() antes de llamar a add_mem_pool().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.31\",\"matchCriteriaId\":\"E7C57DED-21B6-460F-B4F1-8916B9B7A32E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.8.10\",\"matchCriteriaId\":\"6A6B920C-8D8F-4130-86B4-AD334F4CF2E3\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/75961ffb5cb3e5196f19cae7683f35cc88b50800\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f2a6b3ed20f2dea4cb645abc6a73c4595662adca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f62e0fefcdfe2c05ccb1aa80521a69524eea9c84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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