{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T14:12:42.830","vulnerabilities":[{"cve":{"id":"CVE-2022-49377","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T07:01:14.357","lastModified":"2025-03-25T14:58:01.213","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: don't touch ->tagset in blk_mq_get_sq_hctx\n\nblk_mq_run_hw_queues() could be run when there isn't queued request and\nafter queue is cleaned up, at that time tagset is freed, because tagset\nlifetime is covered by driver, and often freed after blk_cleanup_queue()\nreturns.\n\nSo don't touch ->tagset for figuring out current default hctx by the mapping\nbuilt in request queue, so use-after-free on tagset can be avoided. Meantime\nthis way should be fast than retrieving mapping from tagset."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: blk-mq: no toque ->tagset en blk_mq_get_sq_hctx blk_mq_run_hw_queues() podría ejecutarse cuando no hay una solicitud en cola y después de que se limpie la cola, en ese momento se libera el conjunto de etiquetas, porque el controlador cubre la vida útil del conjunto de etiquetas y, a menudo, se libera después de que blk_cleanup_queue() regrese. Por lo tanto, no toque ->tagset para averiguar el hctx predeterminado actual por el mapeo integrado en la cola de solicitudes, por lo que se puede evitar el use-after-free en el conjunto de etiquetas. Mientras tanto, esta forma debería ser más rápida que recuperar el mapeo del conjunto de etiquetas."}],"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"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.47","matchCriteriaId":"E8CE53EB-22BF-479D-A782-6BDD74CD210E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17.15","matchCriteriaId":"53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"5.18.4","matchCriteriaId":"FA6D643C-6D6A-4821-8A8D-B5776B8F0103"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/460aa288c5cd0544dcf933a2f0ad0e8c6d2d35ff","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5d05426e2d5fd7df8afc866b78c36b37b00188b7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/70fdd922c7bf8949f8df109cf2635dff64c90392","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b140bac470b4f707cda59c7266214246238661df","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}