CVE-2019-18680

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 82.6%
KEV: Not listed

Published

November 4, 2019

Last Modified

November 21, 2024

References (10)

cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
cve@mitrehttps://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
cve@mitrehttps://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
cve@mitrehttps://lkml.org/lkml/2019/9/18/337
cve@mitrehttps://security.netapp.com/advisory/ntap-20191205-0001/
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e
af854a3a-2127-422b-91ae-364da2661108https://lkml.org/lkml/2019/9/18/337
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20191205-0001/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 12:18 UTCEG score recompute
2026-05-27 12:18 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 08:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2019-18680?

CVE-2019-18680 is a high vulnerability published on November 4, 2019. An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rdstcpkill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.

When was CVE-2019-18680 disclosed?

CVE-2019-18680 was first published in the National Vulnerability Database on November 4, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-18680 actively exploited?

CVE-2019-18680 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-18680?

CVE-2019-18680 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2019-18680?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-18680, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-18680

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-18680?

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References (10)

Frequently asked(5)

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