CVE-2019-5601: Infoleak
First published: Wed Jul 03 2019(Updated: )
In FreeBSD 12.0-STABLE before r347474, 12.0-RELEASE before 12.0-RELEASE-p7, 11.2-STABLE before r347475, and 11.2-RELEASE before 11.2-RELEASE-p11, a bug in the FFS implementation causes up to three bytes of kernel stack memory to be written to disk as uninitialized directory entry padding.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =11.2 | |
| FreeBSD Kernel | =11.2-p10 | |
| FreeBSD Kernel | =11.2-p2 | |
| FreeBSD Kernel | =11.2-p3 | |
| FreeBSD Kernel | =11.2-p4 | |
| FreeBSD Kernel | =11.2-p5 | |
| FreeBSD Kernel | =11.2-p6 | |
| FreeBSD Kernel | =11.2-p7 | |
| FreeBSD Kernel | =11.2-p9 | |
| FreeBSD Kernel | =11.2-rc3 | |
| FreeBSD Kernel | =12.0 | |
| FreeBSD Kernel | =12.0-p1 | |
| FreeBSD Kernel | =12.0-p2 | |
| FreeBSD Kernel | =12.0-p3 | |
| FreeBSD Kernel | =12.0-p4 | |
| FreeBSD Kernel | =12.0-p5 | |
| FreeBSD Kernel | =12.0-p6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-5601?
CVE-2019-5601 has been classified as a medium severity vulnerability due to its potential to expose uninitialized kernel stack memory.
What versions of FreeBSD are affected by CVE-2019-5601?
CVE-2019-5601 affects FreeBSD versions 11.2 before p11 and 12.0 before p7.
How do I fix CVE-2019-5601?
To fix CVE-2019-5601, upgrade your FreeBSD installation to the latest patched versions, specifically 11.2-RELEASE-p11 or 12.0-RELEASE-p7.
What type of vulnerability is CVE-2019-5601?
CVE-2019-5601 is a vulnerability in the FFS implementation that allows uninitialized directory entry padding to be written to disk.
Is CVE-2019-5601 a remote exploit?
CVE-2019-5601 does not represent a remote exploit, but it can potentially allow local attackers to read sensitive information.
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- vendor/freebsd
- canonical/freebsd kernel
- version/freebsd kernel/11.2
- version/freebsd kernel/11.2-p10
- version/freebsd kernel/11.2-p2
- version/freebsd kernel/11.2-p3
- version/freebsd kernel/11.2-p4
- version/freebsd kernel/11.2-p5
- version/freebsd kernel/11.2-p6
- version/freebsd kernel/11.2-p7
- version/freebsd kernel/11.2-p9
- version/freebsd kernel/11.2-rc3
- version/freebsd kernel/12.0
- version/freebsd kernel/12.0-p1
- version/freebsd kernel/12.0-p2
- version/freebsd kernel/12.0-p3
- version/freebsd kernel/12.0-p4
- version/freebsd kernel/12.0-p5
- version/freebsd kernel/12.0-p6