CVE-2024-36925

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/dma/swiotlb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f2a6b3ed20f2dea4cb645abc6a73c4595662adca", "status": "affected", "version": "1aaa736815eb04f4dae3f0b3e977b2a0677a4cfb", "versionType": "git"}, {"lessThan": "f62e0fefcdfe2c05ccb1aa80521a69524eea9c84", "status": "affected", "version": "1aaa736815eb04f4dae3f0b3e977b2a0677a4cfb", "versionType": "git"}, {"lessThan": "75961ffb5cb3e5196f19cae7683f35cc88b50800", "status": "affected", "version": "1aaa736815eb04f4dae3f0b3e977b2a0677a4cfb", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/dma/swiotlb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.31", "versionType": "semver"}, {"lessThanOrEqual": "6.8.*", "status": "unaffected", "version": "6.8.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7C57DED-21B6-460F-B4F1-8916B9B7A32E", "versionEndExcluding": "6.6.31", "versionStartIncluding": "6.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A6B920C-8D8F-4130-86B4-AD334F4CF2E3", "versionEndExcluding": "6.8.10", "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\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'mem->pools'.\n\nFix the crash by initialising the 'mem->pools' 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 'mem->pools'. Solucione el problema inicializando el list_head 'mem->pools' en rmem_swiotlb_device_init() antes de llamar a add_mem_pool()."}], "id": "CVE-2024-36925", "lastModified": "2026-06-17T07:37:22.387", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-36925", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:15:57.805221Z", "version": "2.0.3"}}]}, "published": "2024-05-30T16:15:15.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75961ffb5cb3e5196f19cae7683f35cc88b50800"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f2a6b3ed20f2dea4cb645abc6a73c4595662adca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f62e0fefcdfe2c05ccb1aa80521a69524eea9c84"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y", "id": "2284504", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284504"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nswiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y\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| 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\nfaddr2line reveals that the crash is in the list validation code:\ninclude/linux/list.h:83\ninclude/linux/rculist.h:79\ninclude/linux/rculist.h:106\nkernel/dma/swiotlb.c:306\nkernel/dma/swiotlb.c:1695\nbecause add_mem_pool() is trying to list_add_rcu() to a NULL\n'mem->pools'.\nFix the crash by initialising the 'mem->pools' list_head in\nrmem_swiotlb_device_init() before calling add_mem_pool()."], "name": "CVE-2024-36925", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36925\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36925\nhttps://lore.kernel.org/linux-cve-announce/2024053040-CVE-2024-36925-4b72@gregkh/T"], "threat_severity": "Low"}

{}