CVE-2019-16994

Aliases:UBUNTU-CVE-2019-16994DEBIAN-CVE-2019-16994
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 30 Sept 2019, 12:03
Last modified:05 Aug 2024, 01:24

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.45% LOW
0% probability +0.38%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

30 Sept 2019, 12:03
Published
Vulnerability first disclosed
05 Aug 2024, 01:24
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.45%• Percentile: 39%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    < 4.19.28-1 | < 4.19.28-1 | < 4.19.28-1 | < 4.19.28-1

  • ubuntu•linux

    < 4.15.0-60.67

  • ubuntu•linux-aws

    < 4.15.0-1047.49

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1047.49~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-gcp

    < 4.15.0-1041.43 | < 4.15.0-1042.45

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1041.43

  • ubuntu•linux-hwe

    < 4.15.0-60.67~16.04.1 | < 5.0.0-23.24~18.04.1

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1043.43

  • ubuntu•linux-oem

    < 4.15.0-1056.65

  • ubuntu•linux-oracle

    < 4.15.0-1022.25~16.04.1 | < 4.15.0-1022.25

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1044.47

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-snapdragon

    < 4.15.0-1062.69

  • linux•linux_kernel

    < 5.0

  • opensuse•leap

    15.1

  • redhat•enterprise_linux

    7.0

References (8)