CVE-2019-14865
First published: Thu Oct 24 2019(Updated: )
A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gnu Grub2 | ||
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux Eus | =8.1 | |
| All of | ||
| Gnu Grub2 | ||
| Any of | ||
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux Eus | =8.1 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2020:0335
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14865
- https://seclists.org/oss-sec/2019/q4/101
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1639336&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1639336&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1639337&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=1639337&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1776580
- https://access.redhat.com/security/cve/cve-2019-14865
- https://bugzilla.redhat.com/show_bug.cgi?id=1764925
- http://www.openwall.com/lists/oss-security/2024/02/06/3
Frequently Asked Questions
What is CVE-2019-14865?
CVE-2019-14865 is a vulnerability found in the grub2-set-bootflag utility of grub2.
How can a local attacker exploit CVE-2019-14865?
A local attacker could run the grub2-set-bootflag utility under resource pressure, causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.
Which software is affected by CVE-2019-14865?
Grub2 is affected by CVE-2019-14865.
What is the severity of CVE-2019-14865?
CVE-2019-14865 has a severity rating of 5.5, which is considered medium.
How can I fix CVE-2019-14865?
Currently, there is no known fix for CVE-2019-14865. It is recommended to apply any patches or updates provided by the vendor.
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