{"id":"CVE-2023-1390","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2023-03-16T00:00:00.000Z","updatedAt":"2026-09-18T15:03:30.184Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"redhat","products":["n/a Linux kernel (TIPC kernel module)"],"affected":[{"vendor":"n/a","product":"Linux kernel (TIPC kernel module)","versions":[{"version":"Fixed in kernel 5.11-rc4","status":"affected"}]}],"references":["https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5","https://infosec.exchange/%40_mattata/109427999461122360","https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6","https://security.netapp.com/advisory/ntap-20230420-0001/"],"weaknesses":["CWE-1050"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/1xxx/CVE-2023-1390.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-1390","state":"PUBLISHED","datePublished":"2023-03-16T00:00:00.000Z","dateUpdated":"2026-09-18T15:03:30.184Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2023-03-14T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"Linux kernel (TIPC kernel module)","versions":[{"version":"Fixed in kernel 5.11-rc4","status":"affected"}]}],"references":[{"url":"https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5"},{"url":"https://infosec.exchange/%40_mattata/109427999461122360"},{"url":"https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6"},{"url":"https://security.netapp.com/advisory/ntap-20230420-0001/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1050","type":"CWE","lang":"en","description":"CWE-1050"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2023-04-20T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5","tags":["x_transferred"]},{"url":"https://infosec.exchange/%40_mattata/109427999461122360","tags":["x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230420-0001/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T05:49:11.042Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-04-23T13:26:35.899836Z","id":"CVE-2023-1390","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T15:03:30.184Z"}}]}}}