CVE-2019-19045
MediumA memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.
CVSS 3.1 score
4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-401CVE-2019-19045 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-2019-19045 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Release Notes Vendor Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4225-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4225-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4226-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4227-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4227-2/Third Party Advisory
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
Frequently asked questions
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What is CVE-2019-19045?
CVE-2019-19045 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2019-19045 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-2019-19045?
CVE-2019-19045 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2019-19045?
No patch is currently available for CVE-2019-19045. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-19045 actively exploited?
No — CVE-2019-19045 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 →