Resource Exhaustion Affecting bpftool package, versions <0:3.10.0-1160.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.45% (36th percentile)

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  • Snyk IDSNYK-RHEL7-BPFTOOL-7974764
  • published14 Sept 2024
  • disclosed30 Sept 2019

Introduced: 30 Sep 2019

CVE-2019-16994  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 bpftool to version 0:3.10.0-1160.el7 or higher.
This issue was patched in RHSA-2020:4060.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.

CVSS Base Scores

version 3.1