CVE-2019-3900
HighAn infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.
CVSS 3.1 score
7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weakness type
CWE-835CVE-2019-3900 is a Infinite Loop vulnerability
What is Infinite Loop?
The product contains an iteration that does not exit even when it should. Learn more on MITRE CWE
References
29 total-
Packet Stormhttp://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlPatch Third Party Advisory VDB Entry
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Issue Tracking Patch Third Party Advisory
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Mailing List Patch Third Party Advisory
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Patch Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/108076Third Party Advisory VDB Entry
Frequently asked questions
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What is CVE-2019-3900?
CVE-2019-3900 is a High severity Linux kernel vulnerability with a CVSS score of 7.7 out of 10 , classified as an Infinite Loop flaw (CWE-835) . CVE-2019-3900 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-3900?
CVE-2019-3900 has a CVSS score of 7.7 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-3900?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-3900 patch availability.
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Is CVE-2019-3900 actively exploited?
No. CVE-2019-3900 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.