{"affected":[{"affectedData":[{"product":"Linux kernel (TIPC kernel module)","vendor":"n/a","versions":[{"status":"affected","version":"Fixed in kernel 5.11-rc4"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"AF22C9B4-BCE0-4E42-8C4C-5DAE22C582DE","versionEndExcluding":"4.9.253","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"D777E229-ADCF-4C7F-A9F7-B2382137F407","versionEndExcluding":"4.14.217","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"671B1493-DB61-421B-B0A9-893B3A862EB8","versionEndExcluding":"4.19.170","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"2F6DB7A0-9052-479E-894D-15F862F4D3BF","versionEndExcluding":"5.4.92","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"AAA1C6A6-3B03-4EC3-935C-C9FA0B50DB70","versionEndExcluding":"5.10.10","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:*","matchCriteriaId":"18B1C9CE-F7E4-426B-A770-79F86AB5CC38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:*","matchCriteriaId":"7A70E596-2EF7-4651-B2EF-2CEE31DB6893","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:*","matchCriteriaId":"18C82C96-2853-4DFE-93AD-F6E59B4129CA","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition."}],"id":"CVE-2023-1390","lastModified":"2026-06-17T05:27:50.857","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-1390","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-04-23T13:26:35.899836Z","version":"2.0.3"}}]},"published":"2023-03-16T21:15:11.447","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5"},{"source":"secalert@redhat.com","tags":["Patch","Vendor Advisory"],"url":"https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6"},{"source":"secalert@redhat.com","url":"https://infosec.exchange/%40_mattata/109427999461122360"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20230420-0001/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://infosec.exchange/%40_mattata/109427999461122360"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20230420-0001/"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-1050"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"NVD-CWE-Other"}],"source":"nvd@nist.gov","type":"Primary"}]}