CVE-2019-19065
First published: Mon Nov 18 2019(Updated: )
** DISPUTED ** A memory leak in the sdma_init() function in drivers/infiniband/hw/hfi1/sdma.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering rhashtable_init() failures, aka CID-34b3be18a04e. NOTE: This has been disputed as not a vulnerability because "rhashtable_init() can only fail if it is passed invalid values in the second parameter's struct, but when invoked from sdma_init() that is a pointer to a static const struct, so an attacker could only trigger failure if they could corrupt kernel memory (in which case a small memory leak is not a significant problem)."
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <5.3.9 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.04 | |
| Ubuntu | =19.10 | |
| SUSE Linux | =15.1 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 6.12.27-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
- https://github.com/torvalds/linux/commit/34b3be18a04ecdc610aae4c48e5d1b799d8689f6
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4208-1/
- https://usn.ubuntu.com/4210-1/
- https://usn.ubuntu.com/4226-1/
- https://launchpad.net/bugs/cve/CVE-2019-19065
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19065
- https://nvd.nist.gov/vuln/detail/CVE-2019-19065
- https://security-tracker.debian.org/tracker/CVE-2019-19065
- https://ubuntu.com/security/CVE-2019-19065
- https://git.kernel.org/linus/34b3be18a04ecdc610aae4c48e5d1b799d8689f6
Frequently Asked Questions
What is the severity of CVE-2019-19065?
The severity of CVE-2019-19065 is currently disputed and has been noted for potentially causing a denial of service due to a memory leak.
What versions of the Linux kernel are affected by CVE-2019-19065?
CVE-2019-19065 affects Linux kernel versions prior to 5.3.9.
How do I fix CVE-2019-19065?
To fix CVE-2019-19065, upgrade the Linux kernel to version 5.3.9 or later.
Which operating systems are affected by CVE-2019-19065?
CVE-2019-19065 affects various versions of the Linux kernel including Ubuntu 16.04, 18.04, 19.04, 19.10, and openSUSE Leap 15.1.
What is the impact of CVE-2019-19065 on system performance?
The impact of CVE-2019-19065 may lead to increased memory consumption and eventual denial of service due to rhashtable_init() failures.
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