CVE-2018-12931
First published: Thu Jun 28 2018(Updated: )
ntfs_attr_find in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a stack-based out-of-bounds write and cause a denial of service (kernel oops or panic) or possibly have unspecified other impact via a crafted ntfs filesystem.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Linux | =16.04.4 | |
| Linux kernel | =4.15 |
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Reference Links
- http://www.securityfocus.com/bid/104588
- https://access.redhat.com/errata/RHSA-2019:0641
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763403
- https://marc.info/?l=linux-ntfs-dev&m=152413769810234&w=2
- https://marc.info/?t=152407734400002&r=1&w=2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1597845
- https://lwn.net/Articles/652468/
- https://bugzilla.redhat.com/show_bug.cgi?id=1597843
Frequently Asked Questions
What is the severity of CVE-2018-12931?
CVE-2018-12931 is classified as a medium-severity vulnerability due to its potential to cause denial of service or kernel panics.
How do I fix CVE-2018-12931?
To mitigate CVE-2018-12931, you should update to the patched version of the Linux kernel provided by your distribution.
Which software is affected by CVE-2018-12931?
CVE-2018-12931 affects Ubuntu 16.04.4 and Linux Kernel version 4.15.
What are the impacts of exploiting CVE-2018-12931?
Exploitation of CVE-2018-12931 could lead to a stack-based out-of-bounds write, resulting in kernel oops or panic.
Are there any workarounds for CVE-2018-12931?
Currently, the best workaround for CVE-2018-12931 is to avoid using the affected ntfs filesystem until a fix is applied.
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