CVE-2019-16234: Null Pointer Dereference
First published: Wed Sep 11 2019(Updated: )
drivers/net/wireless/intel/iwlwifi/pcie/trans.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =5.2.14 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| openSUSE | =15.0 | |
| 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<=6.12.16-1 | |
| Linux kernel | =5.2.14 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html
- https://lkml.org/lkml/2019/9/9/487
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://usn.ubuntu.com/4342-1/
- https://usn.ubuntu.com/4344-1/
- https://usn.ubuntu.com/4345-1/
- https://usn.ubuntu.com/4346-1/
- https://launchpad.net/bugs/cve/CVE-2019-16234
- https://security-tracker.debian.org/tracker/CVE-2019-16234
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16234
- https://nvd.nist.gov/vuln/detail/CVE-2019-16234
- https://ubuntu.com/security/CVE-2019-16234
Frequently Asked Questions
What is the severity of CVE-2019-16234?
CVE-2019-16234 has a moderate severity due to the potential for a NULL pointer dereference that may lead to a denial of service.
How do I fix CVE-2019-16234?
To fix CVE-2019-16234, users should update their Linux kernel to a patched version greater than 5.2.14.
Which Linux distributions are affected by CVE-2019-16234?
CVE-2019-16234 affects Linux kernel version 5.2.14, as well as specific versions of Ubuntu 16.04 and 18.04, and openSUSE Leap 15.0 and 15.1.
What are the potential impacts of CVE-2019-16234?
The potential impacts of CVE-2019-16234 include system crashes or denial of service due to kernel failure.
Is CVE-2019-16234 specific to any particular hardware?
CVE-2019-16234 is related to the Intel wireless drivers in the Linux kernel and not tied to specific hardware.
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