{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-12T16:56:27.213","vulnerabilities":[{"cve":{"id":"CVE-2024-46762","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-09-18T08:15:04.570","lastModified":"2024-09-23T16:12:34.420","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxen: privcmd: Fix possible access to a freed kirqfd instance\n\nNothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and\nprivcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd\ncreated and added to the irqfds_list by privcmd_irqfd_assign() may get\nremoved by another thread executing privcmd_irqfd_deassign(), while the\nformer is still using it after dropping the locks.\n\nThis can lead to a situation where an already freed kirqfd instance may\nbe accessed and cause kernel oops.\n\nUse SRCU locking to prevent the same, as is done for the KVM\nimplementation for irqfds."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xen: privcmd: Fix possible access to a freed kirqfd instance Nada impide llamadas ioctl simultáneas a privcmd_irqfd_assign() y privcmd_irqfd_deassign(). Si eso sucede, es posible que un kirqfd creado y agregado a la irqfds_list por privcmd_irqfd_assign() pueda ser eliminado por otro hilo que ejecuta privcmd_irqfd_deassign(), mientras que el primero todavía lo está usando después de eliminar los bloqueos. Esto puede llevar a una situación en la que se puede acceder a una instancia kirqfd ya liberada y causar errores del kernel. Use el bloqueo SRCU para evitar lo mismo, como se hace para la implementación de KVM para irqfds."}],"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-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.51","matchCriteriaId":"D4954ED0-8229-4D57-B4B3-CB5154734977"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10.10","matchCriteriaId":"ACDEE48C-137A-4731-90D0-A675865E1BED"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/112fd2f02b308564724b8e81006c254d20945c4b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/611ff1b1ae989a7bcce3e2a8e132ee30e968c557","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e997b357b13a7d95de31681fc54fcc34235fa527","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}