{ "id": "CVE-2022-49730", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2025-02-26T07:01:48.620", "lastModified": "2025-02-27T19:15:47.153", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Resolve NULL ptr dereference after an ELS LOGO is aborted\n\nA use-after-free crash can occur after an ELS LOGO is aborted.\n\nSpecifically, a nodelist structure is freed and then\nndlp->vport->cfg_log_verbose is dereferenced in lpfc_nlp_get() when the\ndiscovery state machine is mistakenly called a second time with\nNLP_EVT_DEVICE_RM argument.\n\nRework lpfc_cmpl_els_logo() to prevent the duplicate calls to release a\nnodelist structure." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: lpfc: Resolver la desreferencia de ptr NULL despu\u00e9s de que se cancele un LOGOTIPO ELS Se puede producir un fallo de use-after-free despu\u00e9s de que se cancele un LOGOTIPO ELS. Espec\u00edficamente, se libera una estructura de lista de nodos y luego se desreferencia ndlp->vport->cfg_log_verbose en lpfc_nlp_get() cuando se llama por error a la m\u00e1quina de estado de descubrimiento una segunda vez con el argumento NLP_EVT_DEVICE_RM. Reelabore lpfc_cmpl_els_logo() para evitar las llamadas duplicadas para liberar una estructura de lista de nodos." } ], "metrics": { "cvssMetricV31": [ { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5e83869e29448958f8ae2c6911f350318f75e4fc", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/b1b3440f437b75fb2a9b0cfe58df461e40eca474", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/eea34ce23dc3a595695856dc73bb132a9c5a2902", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }