CVE-2017-5897
CRITICAL severity · CVSS 9.8 · Out-of-bounds read
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756 ↗
Additional information
- NVD record
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756Patch
- http://www.debian.org/security/2017/dsa-3791Advisory
- http://www.openwall.com/lists/oss-security/2017/02/07/2Advisory
- http://www.securityfocus.com/bid/96037Advisory
- http://www.securitytracker.com/id/1037794Advisory
- https://source.android.com/security/bulletin/2017-09-01Advisory
- https://usn.ubuntu.com/3754-1/Advisory