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CVE-2016-5696

UnknownEPSS 15.86%

Last modified

CVE-2016-5696 is a vulnerability of currently unknown severity. net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.. EPSS estimates a 15.86% chance of exploitation in the next 30 days.

Description

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

Metrics

EPSS Probability
15.86%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleAndroid<= 7.0
OracleVm Server3.3
OracleVm Server3.4
LinuxLinux Kernel<= 4.6.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5696?
net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.
How severe is CVE-2016-5696?
Severity scoring for CVE-2016-5696 is pending analysis. The EPSS model estimates a 15.86% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5696?
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