CVE-2018-13096
First published: Tue Jul 03 2018(Updated: )
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=4.14 | |
| Debian GNU/Linux | =8.0 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| openSUSE | =42.3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://bugzilla.kernel.org/show_bug.cgi?id=200167
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://seclists.org/bugtraq/2019/Jan/52
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- https://launchpad.net/bugs/cve/CVE-2018-13096
- https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=e335cc683fd13882b9152937b06ff3c16c28aa34
- https://security-tracker.debian.org/tracker/CVE-2018-13096
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13096
- https://nvd.nist.gov/vuln/detail/CVE-2018-13096
- https://ubuntu.com/security/CVE-2018-13096
Frequently Asked Questions
What is the severity of CVE-2018-13096?
CVE-2018-13096 has a severity level that allows for a denial of service due to out-of-bounds memory access.
How do I fix CVE-2018-13096?
To fix CVE-2018-13096, update to a patched version of the Linux kernel such as 5.10.223-1 or newer.
Which versions of the Linux kernel are affected by CVE-2018-13096?
CVE-2018-13096 affects all versions of the Linux kernel up to and including 4.14.
What causes the vulnerability in CVE-2018-13096?
CVE-2018-13096 is caused by encountering an abnormal bitmap size when mounting a crafted f2fs image.
Are there specific Linux distributions affected by CVE-2018-13096?
Yes, Debian, Ubuntu, and openSUSE distributions along with their specified versions are affected by CVE-2018-13096.
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