2 lines
5.7 KiB
JSON
2 lines
5.7 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","packageName":"kernel","product":"Kernel","repo":"https://git.kernel.org","vendor":"Linux","versions":[{"lessThan":"6.5","status":"affected","version":"3.18","versionType":"custom"}]}],"source":"cve-coordination@google.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"1F7D3B5B-3896-4B9A-A0DF-07217A321EA9","versionEndExcluding":"4.14.322","versionStartIncluding":"3.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E","versionEndExcluding":"4.19.291","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"0707E9FF-8CDE-4AC1-98F3-5BB74EF88F8A","versionEndExcluding":"5.4.253","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"B8DECE4F-2D62-4976-B338-963015198AC8","versionEndExcluding":"5.10.190","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"C552AC9E-23B8-4D7D-AA26-57985BD93962","versionEndExcluding":"5.15.126","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"A0CA013D-55AF-4494-A931-AFC8EA64E875","versionEndExcluding":"6.1.45","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"7BB0D94C-4FCE-46F4-A8D4-062D6A84627A","versionEndExcluding":"6.4.10","versionStartIncluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*","matchCriteriaId":"46D69DCC-AE4D-4EA5-861C-D60951444C6C","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.\n\nWhen u32_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.\n\nWe recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81."},{"lang":"es","value":"Una vulnerabilidad de Use After Free en el componente net/sched: cls_u32 del kernel de Linux puede ser explotada para conseguir una escalada local de privilegios. Cuando se llama a u32_change() en un filtro existente, toda la estructura tcf_result se copia siempre en la nueva instancia del filtro. Esto causa un problema cuando se actualiza un filtro vinculado a una clase, ya que tcf_unbind_filter() siempre llama a la instancia antigua en la ruta de éxito, disminuyendo filter_cnt de la clase aún referenciada y permitiendo que se elimine, lo que lleva a un Use After Free. Recomendamos actualizar el commit a partir de 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81."}],"id":"CVE-2023-4208","lastModified":"2026-06-17T06:37:19.093","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"cve-coordination@google.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2023-09-06T14:15:11.627","references":[{"source":"cve-coordination@google.com","tags":["Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81"},{"source":"cve-coordination@google.com","tags":["Vendor Advisory"],"url":"https://kernel.dance/3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81"},{"source":"cve-coordination@google.com","tags":["Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"},{"source":"cve-coordination@google.com","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2023/dsa-5492"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://kernel.dance/3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2023/dsa-5492"}],"sourceIdentifier":"cve-coordination@google.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-416"}],"source":"cve-coordination@google.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-416"}],"source":"nvd@nist.gov","type":"Primary"}]}
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