CVE-2019-3815
First published: Wed Jan 16 2019(Updated: )
A memory leak was discovered in the backport of fixes for <a href="https://access.redhat.com/security/cve/CVE-2018-16864">CVE-2018-16864</a> in Red Hat Enterprise Linux (since version v219-62.2) and CentOS. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. However systemd-journald crash is automatically restarted by systemd by default.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Openshift Container Platform | =3.11 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.6 | |
| Redhat Enterprise Linux Server Eus | =7.6 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Debian Debian Linux | =8.0 |
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Reference Links
- http://www.securityfocus.com/bid/106632
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:0201
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3815
- https://lists.debian.org/debian-lts-announce/2019/03/msg00013.html
- https://access.redhat.com/security/cve/CVE-2018-16864
- https://bugzilla.redhat.com/show_bug.cgi?id=1666690
Frequently Asked Questions
What is CVE-2019-3815?
CVE-2019-3815 is a vulnerability discovered in Red Hat Enterprise Linux that allows a local attacker to cause a memory leak.
What is the severity level of CVE-2019-3815?
CVE-2019-3815 has a severity level of low with a severity value of 3.3.
Which software is affected by CVE-2019-3815?
CVE-2019-3815 affects Red Hat Openshift Container Platform 3.11, Red Hat Enterprise Linux Desktop 7.0, Red Hat Enterprise Linux Server 7.0, Red Hat Enterprise Linux Server Aus 7.6, Red Hat Enterprise Linux Server Eus 7.6, Red Hat Enterprise Linux Workstation 7.0, and Debian Debian Linux 8.0.
How can a local attacker exploit CVE-2019-3815?
A local attacker can exploit CVE-2019-3815 by using a memory leak to overload the memory allocation, potentially causing a denial of service or other malicious actions.
Where can I find more information about CVE-2019-3815?
You can find more information about CVE-2019-3815 on the SecurityFocus and Red Hat websites.
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