No exploitation reportedFix available

CVE-2017-5897

Q: Is CVE-2017-5897 actively exploited?

Active exploitation of CVE-2017-5897 has not been confirmed. Its EPSS score was 5.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-5897?

CVE-2017-5897 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2017-03-23
Fixed in4.9.11 · 4.4.50 · 3.18.49 · 3.16.41 · 3.12.71 · 3.10.106
WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-03-2316:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-5897?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-5897?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
4.x	≥ 4.5, < 4.9.11	4.9.11	NVD
4.4	≥ 3.19, < 4.4.50	4.4.50	NVD
3.x	≥ 3.17, < 3.18.49	3.18.49	NVD
3.x	≥ 3.13, < 3.16.41	3.16.41	NVD
3.x	≥ 3.11, < 3.12.71	3.12.71	NVD
3.x	≥ 3.7, < 3.10.106	3.10.106	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
14.4	= 14.04	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Linux linux kernel to 4.9.11 · 4.4.50 · 3.18.49 · 3.16.41 · 3.12.71 · 3.10.106

Advisories and patches

git.kernel.orgPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-125read 2026-10-23
FIRST EPSSEPSS score5.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-03-23
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-5897?

Is CVE-2017-5897 actively exploited?

Active exploitation of CVE-2017-5897 has not been confirmed. Its EPSS score was 5.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-5897?

CVE-2017-5897 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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