CVE-2019-16231: Null Pointer Dereference
First published: Wed Sep 11 2019(Updated: )
A flaw was found in the Linux kernel. A NULL pointer dereference flaw was found in the FUJITSU Extended Socket Network driver. A call to the alloc_workqueue return was not validated and causes a denial of service at the time of failure. The highest threat from this vulnerability is to system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:3.10.0-1160.rt56.1131.el7 | 0:3.10.0-1160.rt56.1131.el7 |
| redhat/kernel | <0:3.10.0-1160.el7 | 0:3.10.0-1160.el7 |
| redhat/kernel-rt | <0:4.18.0-240.rt7.54.el8 | 0:4.18.0-240.rt7.54.el8 |
| redhat/kernel | <0:4.18.0-240.el8 | 0:4.18.0-240.el8 |
| Linux Linux kernel | =5.2.14 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| openSUSE Leap | =15.0 | |
| openSUSE Leap | =15.1 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.115-1<=6.1.119-1<=6.11.10-1<=6.12.5-1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-16231 https://nvd.nist.gov/vuln/detail/CVE-2019-16231 https://lkml.org/lkml/2019/9/9/487 https://security.netapp.com/advisory/ntap-20191004-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=1760310
- https://access.redhat.com/errata/RHSA-2020:4062
- https://access.redhat.com/errata/RHSA-2020:4060
- https://access.redhat.com/errata/RHSA-2020:4609
- https://access.redhat.com/errata/RHSA-2020:4431
- https://access.redhat.com/security/cve/cve-2019-16231
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.html
- https://lkml.org/lkml/2019/9/9/487
- https://security.netapp.com/advisory/ntap-20191004-0001/
- 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-2019-16231
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1760314
- https://security-tracker.debian.org/tracker/CVE-2019-16231
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16231
- https://nvd.nist.gov/vuln/detail/CVE-2019-16231
- https://ubuntu.com/security/CVE-2019-16231
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2019-16231
- agent/author
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/tags
- collector/usn-cve
- source/Ubuntu
- agent/description
- agent/event
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/5.2.14
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/19.04
- version/canonical ubuntu linux/19.10
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.0
- version/opensuse leap/15.1
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/7.0
- version/redhat enterprise linux/8.0
- package-manager/debian