CVE-2024-40963

{"id": "CVE-2024-40963", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-07-12T13:15:18.243", "references": [{"url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-754"}]}], "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."}], "lastModified": "2025-11-03T22:17:18.300", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CA488B8-C91C-4ABB-9BB8-106606B15F62", "versionEndExcluding": "5.4.279", "versionStartIncluding": "5.4.240"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "93424EA1-C26B-4206-B702-6845EC11387F", "versionEndExcluding": "5.10.221", "versionStartIncluding": "5.10.177"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69834D7D-658A-444B-8B3C-688ED91515DF", "versionEndExcluding": "5.15.162", "versionStartIncluding": "5.15.106"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "46903D72-D2DD-4CB6-B939-8C3F6387ED7C", "versionEndExcluding": "6.1.96", "versionStartIncluding": "6.1.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87411037-6CB4-43CD-81F8-BBF545E7C13D", "versionEndExcluding": "6.3", "versionStartIncluding": "6.2.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A7CF29D-2E26-4245-9996-CED184F6683F", "versionEndExcluding": "6.6.36", "versionStartIncluding": "6.3.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C", "versionEndExcluding": "6.9.7", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21D6F467-B848-453E-B1A4-BEF940E413A6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D413BB6D-4F74-4C7D-9163-47786619EF53"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4D613FB-9976-4989-8C4A-567773373CEA"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1240A34-749A-49F5-B8DD-C09441AD2228"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "331C2F14-12C7-45D5-893D-8C52EE38EA10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3173713D-909A-4DD3-9DD4-1E171EB057EE"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "79F18AFA-40F7-43F0-BA30-7BDB65F918B9"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}