CVE-2026-23132

{"id": "CVE-2026-23132", "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}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "86eecc3a9c2e06462f6a273fcd24150b6da787de", "lessThan": "569ed6a73e927a34cae4ae6de1464c0737a5ec44", "versionType": "git"}, {"status": "affected", "version": "86eecc3a9c2e06462f6a273fcd24150b6da787de", "lessThan": "1a0f69e3c28477b97d3609569b7e8feb4b6162e8", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/bridge/synopsys/dw-dp.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.8", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/bridge/synopsys/dw-dp.c"], "defaultStatus": "affected"}]}], "published": "2026-02-14T16:15:53.163", "references": [{"url": "https://git.kernel.org/stable/c/1a0f69e3c28477b97d3609569b7e8feb4b6162e8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/569ed6a73e927a34cae4ae6de1464c0737a5ec44", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: synopsys: dw-dp: fix error paths of dw_dp_bind\n\nFix several issues in dw_dp_bind() error handling:\n\n1. Missing return after drm_bridge_attach() failure - the function\n continued execution instead of returning an error.\n\n2. Resource leak: drm_dp_aux_register() is not a devm function, so\n drm_dp_aux_unregister() must be called on all error paths after\n aux registration succeeds. This affects errors from:\n - drm_bridge_attach()\n - phy_init()\n - devm_add_action_or_reset()\n - platform_get_irq()\n - devm_request_threaded_irq()\n\n3. Bug fix: platform_get_irq() returns the IRQ number or a negative\n error code, but the error path was returning ERR_PTR(ret) instead\n of ERR_PTR(dp->irq).\n\nUse a goto label for cleanup to ensure consistent error handling."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/bridge: synopsys: dw-dp: corregir rutas de error de dw_dp_bind\n\nCorregir varios problemas en el manejo de errores de dw_dp_bind():\n\n1. Retorno faltante despu\u00e9s de un fallo de drm_bridge_attach(): la funci\u00f3n continu\u00f3 la ejecuci\u00f3n en lugar de devolver un error.\n\n2. Fuga de recursos: drm_dp_aux_register() no es una funci\u00f3n devm, por lo que drm_dp_aux_unregister() debe ser llamada en todas las rutas de error despu\u00e9s de que el registro auxiliar tenga \u00e9xito. Esto afecta a los errores de:\n - drm_bridge_attach()\n - phy_init()\n - devm_add_action_or_reset()\n - platform_get_irq()\n - devm_request_threaded_irq()\n\n3. Correcci\u00f3n de error: platform_get_irq() devuelve el n\u00famero IRQ o un c\u00f3digo de error negativo, pero la ruta de error estaba devolviendo ERR_PTR(ret) en lugar de ERR_PTR(dp->irq).\n\nUsar una etiqueta goto para la limpieza para asegurar un manejo de errores consistente."}], "lastModified": "2026-06-17T10:20:57.503", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B26C1E1-97A9-48B8-81C6-B6A3A0FC6C7E", "versionEndExcluding": "6.18.8", "versionStartIncluding": "6.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}