{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T02:26:18.495","vulnerabilities":[{"cve":{"id":"CVE-2022-49343","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T07:01:11.040","lastModified":"2025-10-21T12:18:01.940","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: avoid cycles in directory h-tree\n\nA maliciously corrupted filesystem can contain cycles in the h-tree\nstored inside a directory. That can easily lead to the kernel corrupting\ntree nodes that were already verified under its hands while doing a node\nsplit and consequently accessing unallocated memory. Fix the problem by\nverifying traversed block numbers are unique."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: evitar ciclos en el directorio h-tree Un sistema de archivos dañado maliciosamente puede contener ciclos en el h-tree almacenados dentro de un directorio. Eso puede hacer que el kernel corrompa fácilmente los nodos del árbol que ya se habían verificado bajo su control mientras realizaba una división de nodos y, en consecuencia, accediera a memoria no asignada. Solucione el problema verificando que los números de bloque recorridos sean únicos."}],"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":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.14.283","matchCriteriaId":"42074657-A7B6-4740-88B7-67B440018C1C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.247","matchCriteriaId":"B8CFA0F4-2D75-41F4-9753-87944A08B53B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.198","matchCriteriaId":"3EC49633-14DE-4EBD-BB80-76AE2E3EABB9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.121","matchCriteriaId":"34ACD872-E5BC-401C-93D5-B357A62426E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.46","matchCriteriaId":"20D41697-0E8B-4B7D-8842-F17BF2AA21E1"},{"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/24b8206fec1db21d7e82f21f0b2ff5e5672cf5b3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3a3ce941645407cd0b0b7f01ad9e2ea3770f46cc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3ba733f879c2a88910744647e41edeefbc0d92b2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6084240bfc44bf265ab6ae7d96980469b05be0f1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b3ad9ff6f06c1dc6abf7437691c88ca3d6da3ac0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/d5a16a6df2c16eaf4de04948553ef0089dee463f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e157c8f87e8fac112d6c955e69a60cdb9bc80a60","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ff4cafa51762da3824881a9000ca421d4b78b138","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}