{ "id": "CVE-2022-49483", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2025-02-26T07:01:24.527", "lastModified": "2025-03-17T16:53:23.390", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit\n\nIf edp modeset init is failed due to panel being not ready and\nprobe defers during drm bind, avoid clearing irqs and dereference\nhw_intr when hw_intr is null.\n\nBUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n\nCall trace:\n dpu_core_irq_uninstall+0x50/0xb0\n dpu_irq_uninstall+0x18/0x24\n msm_drm_uninit+0xd8/0x16c\n msm_drm_bind+0x580/0x5fc\n try_to_bring_up_master+0x168/0x1c0\n __component_add+0xb4/0x178\n component_add+0x1c/0x28\n dp_display_probe+0x38c/0x400\n platform_probe+0xb0/0xd0\n really_probe+0xcc/0x2c8\n __driver_probe_device+0xbc/0xe8\n driver_probe_device+0x48/0xf0\n __device_attach_driver+0xa0/0xc8\n bus_for_each_drv+0x8c/0xd8\n __device_attach+0xc4/0x150\n device_initial_probe+0x1c/0x28\n\nChanges in V2:\n- Update commit message and coreect fixes tag.\n\nPatchwork: https://patchwork.freedesktop.org/patch/484430/" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/disp/dpu1: evitar borrar interrupciones de hardware si hw_intr es nulo durante la desiniciaci\u00f3n de drm. Si la inicializaci\u00f3n del modo edp falla debido a que el panel no est\u00e1 listo y la sonda se pospone durante el enlace de drm, evitar borrar irq y desreferenciar hw_intr cuando hw_intr es nulo. ERROR: No se puede gestionar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 0000000000000000 Seguimiento de llamadas: dpu_core_irq_uninstall+0x50/0xb0 dpu_irq_uninstall+0x18/0x24 msm_drm_uninit+0xd8/0x16c msm_drm_bind+0x580/0x5fc try_to_bring_up_master+0x168/0x1c0 __component_add+0xb4/0x178 component_add+0x1c/0x28 dp_display_probe+0x38c/0x400 platform_probe+0xb0/0xd0 really_probe+0xcc/0x2c8 __driver_probe_device+0xbc/0xe8 driver_probe_device+0x48/0xf0 __device_attach_driver+0xa0/0xc8 bus_for_each_drv+0x8c/0xd8 __device_attach+0xc4/0x150 device_initial_probe+0x1c/0x28 Cambios en la versi\u00f3n 2: - Se actualiza el mensaje de confirmaci\u00f3n y la etiqueta de correcciones de errores. Patchwork: https://patchwork.freedesktop.org/patch/484430/" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "5.17.14", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "5.18.3", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/01013ba9bbddc62f7d011163cebfd7ed06bb698b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a800701429313149afde18d98821554fbfcb3164", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }