CVE-2018-14617

Advisory lineage Upstream: 0 Downstream: 23
Modified
Published: 27 Jul 2018, 04:00
Last modified:05 Aug 2024, 09:29

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
7.1 HIGH
v2.0 (nvd)
EPSS Score
0.26% LOW
0% probability 0.00%
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 a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.

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: 0.26%• Percentile: 49%

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•debian_linux

    8.0 | 9.0

  • linux•linux_kernel

    ≤ 4.17.10

References (9)