{"cve":"CVE-2023-1390","nvd":{"published":"2023-03-16T21:15:11.447","modified":"2026-06-17T05:27:50.857","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1050"],"references":["https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5","https://github.com/torvalds/linux/commit/b77413446408fdd256599daf00d5be72b5f3e7c6","https://infosec.exchange/%40_mattata/109427999461122360","https://security.netapp.com/advisory/ntap-20230420-0001/","https://gist.github.com/netspooky/bee2d07022f6350bb88eaa48e571d9b5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-1390","score":0.05095,"percentile":0.92361,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}