CVE-2018-13099
First published: Tue Jul 03 2018(Updated: )
An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=4.4 | |
| Debian GNU/Linux | =8.0 | |
| Debian GNU/Linux | =9.0 | |
| openSUSE | =42.3 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| 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
- http://www.securityfocus.com/bid/104680
- https://bugzilla.kernel.org/show_bug.cgi?id=200179
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=3bfe2049c222b23342ff2a216cd5a869e8a14897
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4dbe38dc386910c668c75ae616b99b823b59f3eb
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://seclists.org/bugtraq/2018/Oct/4
- https://seclists.org/bugtraq/2019/Jan/52
- https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- https://www.debian.org/security/2018/dsa-4308
- https://launchpad.net/bugs/cve/CVE-2018-13099
- https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=cc60e90f9bfab8d6a7fb826937e824333c3bf94a
- https://security-tracker.debian.org/tracker/CVE-2018-13099
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13099
- https://nvd.nist.gov/vuln/detail/CVE-2018-13099
- https://ubuntu.com/security/CVE-2018-13099
Frequently Asked Questions
What is the severity of CVE-2018-13099?
CVE-2018-13099 is classified as a denial of service vulnerability due to out-of-bounds memory access in the Linux kernel.
How do I fix CVE-2018-13099?
To fix CVE-2018-13099, upgrade to the secure versions listed, such as 5.10.223-1 or 6.1.123-1, among others.
Which Linux kernel versions are affected by CVE-2018-13099?
CVE-2018-13099 affects Linux kernel versions up to and including 4.4.
What types of systems are affected by CVE-2018-13099?
CVE-2018-13099 impacts systems running modified f2fs filesystem images in Linux distributions such as Debian, Ubuntu, and openSUSE.
What are the consequences of exploiting CVE-2018-13099?
Exploiting CVE-2018-13099 can lead to a denial of service condition where the system may become unresponsive.
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