CVE-2019-19063
MediumTwo memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption), aka CID-3f9361695113.
CVSS 3.1 score
4.6
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-401CVE-2019-19063 is a Memory Leak vulnerability
What is Memory Leak?
The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2019-19063 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Packet Stormhttp://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory VDB Entry
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Mailing List Third Party Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4254-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4254-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4284-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4285-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4287-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4287-2/Third Party Advisory
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/3f93616951138a598d930dcaec40f2bfd9ce43bb
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PatchKernel patch commithttps://www.oracle.com/security-alerts/cpuApr2021.html
Frequently asked questions
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What is CVE-2019-19063?
CVE-2019-19063 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2019-19063 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-2019-19063?
CVE-2019-19063 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-19063?
No patch is currently available for CVE-2019-19063. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-19063 actively exploited?
No — CVE-2019-19063 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Memory Leak (CWE-401)?
The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →