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CVE-2018-1068

MEDIUMCVSS 6.7/10EPSS 0.45%

Last modified

CVE-2018-1068 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.

Metrics

CVSS 3.1
6.7/10

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

EPSS Probability
0.45%

35.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 3.2.102
LinuxLinux Kernel>= 3.3, < 3.16.57
LinuxLinux Kernel>= 3.17, < 3.18.100
LinuxLinux Kernel>= 3.19, < 4.1.51
LinuxLinux Kernel>= 4.2, < 4.4.122
LinuxLinux Kernel>= 4.5, < 4.9.88
LinuxLinux Kernel>= 4.10, < 4.14.27
LinuxLinux Kernel>= 4.15, < 4.15.10
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0
RedhatVirtualization Host4.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Eus7.6
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1068?
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
How severe is CVE-2018-1068?
CVE-2018-1068 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1068?
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.

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Source: NVD / NIST