{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T01:47:17.764","vulnerabilities":[{"cve":{"id":"CVE-2021-46998","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-02-28T09:15:38.090","lastModified":"2024-12-06T14:56:48.477","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nethernet:enic: Fix a use after free bug in enic_hard_start_xmit\n\nIn enic_hard_start_xmit, it calls enic_queue_wq_skb(). Inside\nenic_queue_wq_skb, if some error happens, the skb will be freed\nby dev_kfree_skb(skb). But the freed skb is still used in\nskb_tx_timestamp(skb).\n\nMy patch makes enic_queue_wq_skb() return error and goto spin_unlock()\nincase of error. The solution is provided by Govind.\nSee https://lkml.org/lkml/2021/4/30/961."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ethernet:enic: corrige un error de use after free en enic_hard_start_xmit. En enic_hard_start_xmit, llama a enic_queue_wq_skb(). Dentro de enic_queue_wq_skb, si ocurre algún error, dev_kfree_skb(skb) liberará el skb. Pero el skb liberado todavía se usa en skb_tx_timestamp(skb). Mi parche hace que enic_queue_wq_skb() devuelva un error y vaya a spin_unlock() en caso de error. La solución la proporciona Govind. Consulte https://lkml.org/lkml/2021/4/30/961."}],"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: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":"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:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"4.19.191","matchCriteriaId":"F677F1C8-2451-43EC-9555-E283697C189E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.120","matchCriteriaId":"2BDC71CF-4451-4D53-93E9-61DE7C4E25B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.38","matchCriteriaId":"2BB4E5E8-4AAD-475A-A1B9-F287254C7D72"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.11.22","matchCriteriaId":"83B53E9A-F426-4C03-9A5F-A931FF79827E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.12.5","matchCriteriaId":"0274929A-B36C-4F4C-AB22-30A0DD6B995B"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/25a87b1f566b5eb2af2857a928f0e2310d900976","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/643001b47adc844ae33510c4bb93c236667008a3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6892396ebf04ea2c021d80e10f4075e014cd7cc3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7afdd6aba95c8a526038e7abe283eeac3e4320f1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/d90529392aaf498dafa95d212295d64b2cea4e24","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f7f6f07774091a6ddd98500b85386c3c6afb30d3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/25a87b1f566b5eb2af2857a928f0e2310d900976","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/643001b47adc844ae33510c4bb93c236667008a3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6892396ebf04ea2c021d80e10f4075e014cd7cc3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7afdd6aba95c8a526038e7abe283eeac3e4320f1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/d90529392aaf498dafa95d212295d64b2cea4e24","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f7f6f07774091a6ddd98500b85386c3c6afb30d3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}