{"id":"CVE-2019-18680","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-18680","generatedAt":"2026-10-27T23:26:15.827Z","title":"There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.","description":"An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.","published":"2019-11-04T15:15:12.000Z","lastModified":"2026-06-17T02:25:18.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["linux/linux kernel"],"epss":{"score":0.03638,"percentile":0.89484,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195","tags":["Exploit","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lkml.org/lkml/2019/9/18/337","tags":["Exploit","Mailing List","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20191205-0001/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lkml.org/lkml/2019/9/18/337","tags":["Exploit","Mailing List","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20191205-0001/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-18680","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}