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CVE-2016-3841

HIGHCVSS 7.3/10EPSS 0.30%

Last modified

CVE-2016-3841 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.

Metrics

CVSS 3.1
7.3/10

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

EPSS Probability
0.30%

21.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleAndroid6.0.1
LinuxLinux Kernel< 3.2.75
LinuxLinux Kernel>= 3.3, < 3.12.52
LinuxLinux Kernel>= 3.13, < 3.16.35
LinuxLinux Kernel>= 3.17, < 3.18.25
LinuxLinux Kernel>= 3.19, < 4.1.15
LinuxLinux Kernel>= 4.2, < 4.2.8
LinuxLinux Kernel>= 4.3, < 4.3.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-3841?
The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.
How severe is CVE-2016-3841?
CVE-2016-3841 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2016-3841?
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