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The function directly assigns NULL to gchan->config, losing the\n reference to the original memory\n4. 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The function directly assigns NULL to gchan->config, losing the\n reference to the original memory\n4. The original memory becomes unreachable and cannot be freed\n\nFix this by using a temporary variable to hold the krealloc() result\nand only updating gchan->config when the allocation succeeds.\n\nFound via static analysis and code review."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndmaengine: qcom: gpi: Correcci\u00f3n de fuga de memoria en gpi_peripheral_config()\n\nCorrige una fuga de memoria en gpi_peripheral_config() donde la memoria original apuntada por gchan->config podr\u00eda perderse si krealloc() falla.\n\nEl problema ocurre cuando:\n1. gchan->config apunta a memoria previamente asignada\n2. krealloc() falla y devuelve NULL\n3. La funci\u00f3n asigna directamente NULL a gchan->config, perdiendo la referencia a la memoria original\n4. La memoria original se vuelve inalcanzable y no puede ser liberada\n\nCorrige esto utilizando una variable temporal para contener el resultado de krealloc() y actualizando gchan->config solo cuando la asignaci\u00f3n tiene \u00e9xito.\n\nEncontrado mediante an\u00e1lisis est\u00e1tico y revisi\u00f3n de c\u00f3digo."}], "id": "CVE-2026-23026", "lastModified": "2026-03-25T16:08:24.480", "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": "2026-01-31T12:16:05.920", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01b1d781394fc9b83015e3a3cd46b17bda842bd8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f747004bbd641131d9396d87b5d2d3d1e182728"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4532f18e4ab36def1f55cd936d0fc002b2ce34c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/55a67ba5ac4cebfd54cc8305d4d57a0f1dfe6a85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/694ab1f6f16cb69f7c5ef2452b22ba7b00a3c7c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6bf4ef078fd11910988889a6c0b3698d2e0c89af"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: dmaengine: qcom: gpi: Fix memory leak in gpi_peripheral_config()", "id": "2435656", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435656"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2026-23026", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2026-01-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23026\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23026\nhttps://lore.kernel.org/linux-cve-announce/2026013119-CVE-2026-23026-5ca7@gregkh/T"], "threat_severity": "Moderate"}

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