CVE-2018-14609

Aliases:UBUNTU-CVE-2018-14609DEBIAN-CVE-2018-14609
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 27 Jul 2018, 04:00
Last modified:05 Aug 2024, 09:29

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7.1 HIGH
v2.0 (nvd)
EPSS Score
2.69% LOW
3% probability +2.38%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

27 Jul 2018, 04:00
Published
Vulnerability first disclosed
05 Aug 2024, 09:29
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • v2.0•HIGH•Score: 7.1AV:N/AC:M/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 2.69%• Percentile: 85%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04

  • debian•linux

    < 4.18.8-1 | < 4.18.8-1 | < 4.18.8-1 | < 4.18.8-1

  • ubuntu•linux

    all | < 4.4.0-139.165 | < 4.15.0-58.64

  • ubuntu•linux-aws

    < 4.4.0-1034.37 | < 4.4.0-1072.82 | < 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 | < 4.15.0-1055.60 | < 4.18.0-1011.11~18.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1008.10

  • ubuntu•linux-gcp

    < 4.15.0-1040.42~16.04.1 | < 4.15.0-1040.42

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1040.42

  • ubuntu•linux-hwe

    < 4.15.0-58.64~16.04.1

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1037.43 | < 4.15.0-1042.42

  • ubuntu•linux-lts-xenial

    < 4.4.0-139.165~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1050.57

  • ubuntu•linux-oracle

    < 4.15.0-1021.23~16.04.1 | < 4.15.0-1021.23

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1100.108 | < 4.15.0-1043.46 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-snapdragon

    < 4.4.0-1104.109 | < 4.15.0-1060.66

  • debian•debian_linux

    8.0 | 9.0

  • linux•linux_kernel

    ≤ 4.17.10

References (16)