CVE-2018-13099

Public Exploit

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html third party advisory mailing list
https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/ third party advisory patch
http://www.securityfocus.com/bid/104680 vdb entry broken link
https://www.debian.org/security/2018/dsa-4308 third party advisory vendor advisory
https://bugzilla.kernel.org/show_bug.cgi?id=200179 third party advisory issue tracking exploit
https://seclists.org/bugtraq/2019/Jan/52 patch mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html vendor advisory mailing list third party advisory
http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html third party advisory vdb entry
https://seclists.org/bugtraq/2018/Oct/4 third party advisory mailing list
https://usn.ubuntu.com/3932-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3932-2/ third party advisory vendor advisory
https://usn.ubuntu.com/4094-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4118-1/ third party advisory vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4dbe38dc386910c668c75ae616b99b823b59f3eb patch vendor advisory mailing list
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=3bfe2049c222b23342ff2a216cd5a869e8a14897 patch vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-13099?
CVE-2018-13099 has been scored as a medium severity vulnerability.
How to fix CVE-2018-13099?
To fix CVE-2018-13099, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-13099 being actively exploited in the wild?
It is possible that CVE-2018-13099 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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