CVE-2018-13099

MEDIUMCVSS 5.5/10EPSS 2.50%

Last modified

CVE-2018-13099 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.4
DebianDebian Linux8.0
DebianDebian Linux9.0
OpensuseLeap42.3
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-13099?
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.
How severe is CVE-2018-13099?
CVE-2018-13099 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.
How do I fix CVE-2018-13099?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-13099?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST