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
References
- http://www.debian.org/security/2017/dsa-3791Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/07/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96037Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037794Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-09-01Third Party Advisory
- https://usn.ubuntu.com/3754-1/Third Party Advisory
- http://www.debian.org/security/2017/dsa-3791Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/07/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96037Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037794Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756Patch, Third Party Advisory
- https://source.android.com/security/bulletin/2017-09-01Third Party Advisory
- https://usn.ubuntu.com/3754-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.