CVE-2019-5595
First published: Tue Feb 12 2019(Updated: )
In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.
Credit: secteam@freebsd.org secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =11.2 | |
| FreeBSD Kernel | =12.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-5595?
CVE-2019-5595 has a moderate severity rating due to potential exposure of kernel data.
How do I fix CVE-2019-5595?
To fix CVE-2019-5595, upgrade to FreeBSD versions 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), or 12.0-RELEASE-p3.
What software versions are affected by CVE-2019-5595?
CVE-2019-5595 affects FreeBSD versions 11.2 and 12.0 before specific patches.
What is the impact of CVE-2019-5595?
The impact of CVE-2019-5595 is the potential exposure of sensitive kernel data through improper sanitation of registers.
Is CVE-2019-5595 a local or remote vulnerability?
CVE-2019-5595 is primarily a local vulnerability that may be exploited through system calls.
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