SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

CRITICAL 9.8EPSS 4.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.95% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
linux/linux kernel · canonical/ubuntu linux · debian/debian linux
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.