CVE-2024-40963

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whether RAC flush should be disabled or not are not\nenough hence lets check if CBR is a valid address or not."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/mips/bmips/setup.c"], "versions": [{"version": "d65de5ee8b72868fbbbd39ca73017d0e526fa13a", "lessThan": "10afe5f7d30f6fe50c2b1177549d0e04921fc373", "status": "affected", "versionType": "git"}, {"version": "47a449ec09b4479b89dcc6b27ec3829fc82ffafb", "lessThan": "36d771ce6028b886e18a4a8956a5d23688e4e13d", "status": "affected", "versionType": "git"}, {"version": "65b723644294f1d79770704162c0e8d1f700b6f1", "lessThan": "89167072fd249e5f23ae2f8093f87da5925cef27", "status": "affected", "versionType": "git"}, {"version": "2cdbcff99f15db86a10672fb220379a1ae46ccae", "lessThan": "6c0f6ccd939166f56a904c792d7fcadae43b9085", "status": "affected", "versionType": "git"}, {"version": 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{"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:*", "matchCriteriaId": "B1240A34-749A-49F5-B8DD-C09441AD2228", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*", "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*", "matchCriteriaId": "331C2F14-12C7-45D5-893D-8C52EE38EA10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*", "matchCriteriaId": "3173713D-909A-4DD3-9DD4-1E171EB057EE", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*", "matchCriteriaId": "79F18AFA-40F7-43F0-BA30-7BDB65F918B9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmips: bmips: BCM6358: make sure CBR is correctly set\n\nIt was discovered that some device have CBR address set to 0 causing\nkernel panic when arch_sync_dma_for_cpu_all is called.\n\nThis was notice in situation where the system is booted from TP1 and\nBMIPS_GET_CBR() returns 0 instead of a valid address and\n!!(read_c0_brcm_cmt_local() & (1 << 31)); not failing.\n\nThe current check whether RAC flush should be disabled or not are not\nenough hence lets check if CBR is a valid address or not."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mips: bmips: BCM6358: aseg\u00farese de que CBR est\u00e9 configurado correctamente. Se descubri\u00f3 que algunos dispositivos tienen la direcci\u00f3n CBR configurada en 0, lo que provoca p\u00e1nico en el kernel cuando se llama a arch_sync_dma_for_cpu_all. Esto se not\u00f3 en una situaci\u00f3n en la que el sistema se inicia desde TP1 y BMIPS_GET_CBR() devuelve 0 en lugar de una direcci\u00f3n v\u00e1lida y !!(read_c0_brcm_cmt_local() &amp; (1 &lt;&lt; 31)); no fallar. La verificaci\u00f3n actual de si la descarga de RAC debe desactivarse o no no es suficiente, por lo tanto, verifiquemos si CBR es una direcci\u00f3n v\u00e1lida o no."}], "id": "CVE-2024-40963", "lastModified": "2026-06-17T07:46:58.377", "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-2024-40963", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:03:19.862197Z", "version": "2.0.3"}}]}, "published": "2024-07-12T13:15:18.243", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mips: bmips: BCM6358: make sure CBR is correctly set", "id": "2297547", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297547"}, "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-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmips: bmips: BCM6358: make sure CBR is correctly set\nIt was discovered that some device have CBR address set to 0 causing\nkernel panic when arch_sync_dma_for_cpu_all is called.\nThis was notice in situation where the system is booted from TP1 and\nBMIPS_GET_CBR() returns 0 instead of a valid address and\n!!(read_c0_brcm_cmt_local() & (1 << 31)); not failing.\nThe current check whether RAC flush should be disabled or not are not\nenough hence lets check if CBR is a valid address or not."], "name": "CVE-2024-40963", "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": "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": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-40963\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40963\nhttps://lore.kernel.org/linux-cve-announce/2024071226-CVE-2024-40963-6639@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T11:22:45.388635+00:00", "updated": "2025-07-13T11:22:45.388686+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}