CVE-2017-5897

CRITICALCVSS 9.8/10EPSS 4.95%

Last modified

CVE-2017-5897 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.. EPSS estimates a 4.95% chance of exploitation in the next 30 days.

Description

The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
4.95%

91.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 3.7, < 3.10.106
LinuxLinux Kernel>= 3.11, < 3.12.71
LinuxLinux Kernel>= 3.13, < 3.16.41
LinuxLinux Kernel>= 3.17, < 3.18.49
LinuxLinux Kernel>= 3.19, < 4.4.50
LinuxLinux Kernel>= 4.5, < 4.9.11
CanonicalUbuntu Linux14.04
DebianDebian Linux8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-5897?
The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.
How severe is CVE-2017-5897?
CVE-2017-5897 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.95% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5897?
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-2017-5897?

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

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Source: NVD / NIST