CVE-2026-43145

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However, when the current firmware has no resource\ntable, rproc->table_ptr is NULL. The function still returns\npriv->rsc_table, and the remoteproc core interprets this as a valid loaded\nresource table.\n\nFix this by returning NULL from imx_rproc_elf_find_loaded_rsc_table() when\nthere is no resource table for the current firmware (i.e. when\nrproc->table_ptr is NULL). This aligns the function's semantics with the\nremoteproc core: a loaded resource table is only reported when a valid\ntable_ptr exists.\n\nWith this change, starting firmware without a resource table no longer\ntriggers a crash."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/remoteproc/imx_rproc.c"], "versions": [{"version": "64f2ca5ce97111a364a18c31772eb46c79e8b772", "lessThan": "91baf24d972ea3c04a75dd18821c03d223c0dbc0", "status": "affected", "versionType": "git"}, {"version": "1d750606fedcdff7886f35a558c51b05ce2680a6", "lessThan": "fcec79b6a3649ae7b1f659267602ca402c240d6e", "status": "affected", "versionType": "git"}, {"version": "7fb5f957213bc7268bac449f8bfe95967c9f3f3b", "lessThan": "9bd98d088f47153a81a6ec8162b4415c64aa7f39", "status": "affected", "versionType": "git"}, {"version": "e954a1bd16102abc800629f9900715d8ec4c3130", "lessThan": 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"title": "remoteproc: imx_rproc: Fix invalid loaded resource table detection", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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However, when the current firmware has no resource\ntable, rproc->table_ptr is NULL. The function still returns\npriv->rsc_table, and the remoteproc core interprets this as a valid loaded\nresource table.\n\nFix this by returning NULL from imx_rproc_elf_find_loaded_rsc_table() when\nthere is no resource table for the current firmware (i.e. when\nrproc->table_ptr is NULL). This aligns the function's semantics with the\nremoteproc core: a loaded resource table is only reported when a valid\ntable_ptr exists.\n\nWith this change, starting firmware without a resource table no longer\ntriggers a crash."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nremoteproc: imx_rproc: Correcci\u00f3n de la detecci\u00f3n de tabla de recursos cargada inv\u00e1lida\n\nimx_rproc_elf_find_loaded_rsc_table() puede informar incorrectamente una tabla de recursos cargada incluso cuando el firmware actual no proporciona una.\n\nCuando el \u00e1rbol de dispositivos contiene una entrada \u2019rsc-table\u2019, priv -> rsc_table no es NULL e indica d\u00f3nde se ubicar\u00eda una tabla de recursos si una est\u00e1 presente en la memoria. Sin embargo, cuando el firmware actual no tiene tabla de recursos, rproc -> table_ptr es NULL. La funci\u00f3n a\u00fan devuelve priv -> rsc_table, y el n\u00facleo remoteproc interpreta esto como una tabla de recursos cargada v\u00e1lida.\n\nSolucione esto devolviendo NULL desde imx_rproc_elf_find_loaded_rsc_table() cuando no hay tabla de recursos para el firmware actual (es decir, cuando rproc -> table_ptr es NULL). Esto alinea la sem\u00e1ntica de la funci\u00f3n con el n\u00facleo remoteproc: una tabla de recursos cargada solo se informa cuando existe un table_ptr v\u00e1lido.\n\nCon este cambio, iniciar firmware sin una tabla de recursos ya no provoca un fallo."}], "id": "CVE-2026-43145", "lastModified": "2026-11-11T21:10:00.200", "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"}]}, "published": "2026-05-06T12:16:31.983", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/198c629bd03863591f3fbf5ce8ff974a33f13dc9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26aa5295010ffaebcf8f1991c53fa7cf2ee1b20d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/500778df9e4c313190368908ff40c23948508e97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65379adf7d231c930572db45933ff4538f4c5128"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/91baf24d972ea3c04a75dd18821c03d223c0dbc0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9bd98d088f47153a81a6ec8162b4415c64aa7f39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fcec79b6a3649ae7b1f659267602ca402c240d6e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: remoteproc: imx_rproc: Fix invalid loaded resource table detection", "id": "2467133", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467133"}, "csaw": false, "cwe": "CWE-372", "details": ["A flaw was found in the Linux kernel's remoteproc (remote processor) subsystem, specifically within the `imx_rproc` driver. The `imx_rproc_elf_find_loaded_rsc_table()` function could incorrectly report the presence of a loaded resource table even when the current firmware did not provide one. This misinterpretation by the remoteproc core could lead to a system crash, resulting in a Denial of Service (DoS) when attempting to start firmware without a resource table."], "name": "CVE-2026-43145", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43145\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43145\nhttps://lore.kernel.org/linux-cve-announce/2026050626-CVE-2026-43145-59af@gregkh/T"]}

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