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CVE-2017-5897

31
FAUCET Score

CVE-2017-5897 is a critical out-of-bounds access vulnerability in the Linux kernel's ip6gre_err function, affecting various Canonical and Debian Linux distributions. This flaw allows remote attackers to trigger an out-of-bounds access via crafted GRE flags in an IPv6 packet, leading to a CVSS score of 9.8, indicating high confidentiality, integrity, and availability impacts. While no public exploit code or active exploitation has been observed, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers. Despite its high severity, it is not listed in CISA's KEV catalog and has no known Metasploit or ExploitDB modules.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.7, < 3.10.106CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.11, < 3.12.71CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.13, < 3.16.41CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 3.18.49CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.19, < 4.4.50CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.95%
Probability of exploitation in next 30 days
EPSS Percentile
91.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0495 is in the 85th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2017-5897Low

kernel: ip6_gre: Invalid reads in ip6gre_err

Feb 5, 2017

References

git.kernel.org / pub/scm/linux/kernel/git/davem/net.git/commit
PatchThird Party Advisory
source.android.com / security/bulletin/2017-09-01
Third Party Advisory
usn.ubuntu.com / 3754-1
Third Party Advisory
debian.org / security/2017/dsa-3791
Third Party Advisory
openwall.com / lists/oss-security/2017/02/07/2
Mailing ListThird Party Advisory
securityfocus.com / bid/96037
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037794
Third Party AdvisoryVDB Entry