CVE-2019-19045
First published: Mon Nov 18 2019(Updated: )
A 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.3.11 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =19.04 | |
| Ubuntu Linux | =19.10 | |
| openSUSE | =15.1 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.04 | |
| Ubuntu | =19.10 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4225-1/
- https://usn.ubuntu.com/4225-2/
- https://usn.ubuntu.com/4226-1/
- https://usn.ubuntu.com/4227-1/
- https://usn.ubuntu.com/4227-2/
- https://launchpad.net/bugs/cve/CVE-2019-19045
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19045
- https://nvd.nist.gov/vuln/detail/CVE-2019-19045
- https://security-tracker.debian.org/tracker/CVE-2019-19045
- https://ubuntu.com/security/CVE-2019-19045
- https://git.kernel.org/linus/c8c2a057fdc7de1cd16f4baa51425b932a42eb39
Frequently Asked Questions
What is the severity of CVE-2019-19045?
CVE-2019-19045 has a medium severity rating as it can lead to a denial of service through memory consumption.
How do I fix CVE-2019-19045?
To fix CVE-2019-19045, upgrade to Linux kernel versions 5.3.11 or later.
What software is affected by CVE-2019-19045?
CVE-2019-19045 affects various versions of the Linux kernel prior to 5.3.11 across multiple distributions.
What is the impact of CVE-2019-19045?
CVE-2019-19045 allows attackers to trigger failures that may consume excessive memory, causing service interruptions.
When was CVE-2019-19045 disclosed?
CVE-2019-19045 was disclosed on November 29, 2019.
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