CVE-2018-10323

Aliases:UBUNTU-CVE-2018-10323DEBIAN-CVE-2018-10323
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 24 Apr 2018, 06:00
Last modified:05 Aug 2024, 07:39

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.55% LOW
1% probability +0.47%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

24 Apr 2018, 06:00
Published
Vulnerability first disclosed
05 Aug 2024, 07:39
Last Modified
Vulnerability information updated

Description

The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.55%• Percentile: 45%

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 | 18.04

  • debian•linux

    < 4.16.5-1 | < 4.16.5-1 | < 4.16.5-1 | < 4.16.5-1

  • ubuntu•linux

    < 3.13.0-157.207 | < 4.4.0-189.219 | < 4.15.0-33.36

  • ubuntu•linux-aws

    < 4.4.0-1077.81 | < 4.4.0-1113.126 | < 4.15.0-1020.20

  • ubuntu•linux-azure

    < 4.15.0-1022.22~16.04.1 | < 4.15.0-1022.23

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1045.50 | all

  • ubuntu•linux-gcp

    < 4.15.0-1018.19~16.04.2 | < 4.15.0-1018.19

  • ubuntu•linux-hwe

    < 4.15.0-33.36~16.04.1

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1079.86 | < 4.15.0-1020.20

  • ubuntu•linux-lts-xenial

    < 4.4.0-189.219~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1017.20

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1138.147 | < 4.15.0-1021.23

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-snapdragon

    < 4.4.0-1142.151 | < 4.15.0-1053.57

  • debian•debian_linux

    9.0

  • linux•linux_kernel

    ≤ 4.16.3

References (17)