CVE-2017-16939

HIGH
7.8
CVSS Score
Published: November 24, 2017 at 10:00 AM UTC
Updated: June 17, 2026 at 01:10 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 2%

Description

The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.28 ≤ v < 3.2.973.17 ≤ v < 3.18.863.19 ≤ v < 4.1.483.3 ≤ v < 3.16.524.10 ≤ v < 4.13.114.2 ≤ v < 4.4.1044.5 ≤ v < 4.9.60
Affected range stops below 3.16.52, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.18.86, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.97, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.48, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.13.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.104, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.60, so it looks safe — our inference, not a vendor statement

References (14)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
x_refsource_MISCMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2017/Nov/40
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/101954
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:1318
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:1355
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:1170

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card