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{
"id" : "CVE-2023-4128" ,
"sourceIdentifier" : "secalert@redhat.com" ,
"published" : "2023-08-10T17:15:12.033" ,
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"lastModified" : "2023-08-14T03:15:09.643" ,
2023-08-10 20:00:35 +00:00
"vulnStatus" : "Awaiting Analysis" ,
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"descriptions" : [
{
"lang" : "en" ,
"value" : "A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue."
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "secalert@redhat.com" ,
"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" ,
"attackVector" : "LOCAL" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "LOW" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
"availabilityImpact" : "HIGH" ,
"baseScore" : 7.8 ,
"baseSeverity" : "HIGH"
} ,
"exploitabilityScore" : 1.8 ,
"impactScore" : 5.9
}
]
} ,
"references" : [
{
"url" : "https://access.redhat.com/security/cve/CVE-2023-4128" ,
"source" : "secalert@redhat.com"
} ,
{
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2225511" ,
"source" : "secalert@redhat.com"
} ,
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{
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/344H6HO6SSC4KT7PDFXSDIXKMKHISSGF/" ,
"source" : "secalert@redhat.com"
} ,
{
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TYLSJ2SAI7RF56ZLQ5CQWCJLVJSD73Q/" ,
"source" : "secalert@redhat.com"
} ,
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{
"url" : "https://lore.kernel.org/netdev/193d6cdf-d6c9-f9be-c36a-b2a7551d5fb6@mojatatu.com/" ,
"source" : "secalert@redhat.com"
}
]
}