Vulnerability Description
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.17.3 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackwar
- http://www.securityfocus.com/bid/104679Third Party AdvisoryVDB Entry
- https://bugzilla.kernel.org/show_bug.cgi?id=200183Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlThird Party Advisory
- https://seclists.org/bugtraq/2019/Jan/52
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackwar
- http://www.securityfocus.com/bid/104679Third Party AdvisoryVDB Entry
- https://bugzilla.kernel.org/show_bug.cgi?id=200183Issue TrackingThird Party Advisory
FAQ
What is CVE-2018-13100?
CVE-2018-13100 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
How severe is CVE-2018-13100?
CVE-2018-13100 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-13100?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.