{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-15T09:38:20.773","vulnerabilities":[{"cve":{"id":"CVE-2025-21641","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-01-19T11:15:09.643","lastModified":"2025-10-01T20:18:16.050","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: sysctl: blackhole timeout: avoid using current->nsproxy\n\nAs mentioned in the previous commit, using the 'net' structure via\n'current' is not recommended for different reasons:\n\n- Inconsistency: getting info from the reader's\/writer's netns vs only\n  from the opener's netns.\n\n- current->nsproxy can be NULL in some cases, resulting in an 'Oops'\n  (null-ptr-deref), e.g. when the current task is exiting, as spotted by\n  syzbot [1] using acct(2).\n\nThe 'pernet' structure can be obtained from the table->data using\ncontainer_of()."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: sysctl: blackhole timeout: avoid using current-&gt;nsproxy Como se mencionó en el commit anterior, no se recomienda usar la estructura 'net' a través de 'current' por diferentes razones: - Inconsistencia: obtener información de las redes de red del lector\/escritor frente a solo de las redes de red del abridor. - current-&gt;nsproxy puede ser NULL en algunos casos, lo que resulta en un 'Oops' (null-ptr-deref), por ejemplo, cuando la tarea actual está saliendo, como lo detectó syzbot [1] usando acct(2). La estructura 'pernet' se puede obtener de table-&gt;data usando Container_of()."}],"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},{"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: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"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.10","matchCriteriaId":"CAA666EC-CF76-46C6-AE86-951E128D4C0A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*","matchCriteriaId":"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*","matchCriteriaId":"5A073481-106D-4B15-B4C7-FB0213B8E1D4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*","matchCriteriaId":"DE491969-75AE-4A6B-9A58-8FC5AF98798F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*","matchCriteriaId":"93C0660D-7FB8-4FBA-892A-B064BA71E49E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*","matchCriteriaId":"034C36A6-C481-41F3-AE9A-D116E5BE6895"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*","matchCriteriaId":"8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2"}]}]}],"references":[{"url":"https:\/\/git.kernel.org\/stable\/c\/4c74fbdc5ab95b13945be01e6065940b68222db7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing List","Patch"]},{"url":"https:\/\/git.kernel.org\/stable\/c\/92cf7a51bdae24a32c592adcdd59a773ae149289","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing List","Patch"]}]}}]}