CVE-2018-12928 — NULL Pointer Dereference in Ubuntu Linux

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 75.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Canonical Ubuntu LinuxLinux KernelDebian Linux
Timeline
PublishedJun 28
Latest updateMay 14

Description

In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/linux

Also affects: Ubuntu Linux 16.04.4

🔴Vulnerability Details

2
GHSA
GHSA-v3q7-v865-v6vx: In the Linux kernel 4↗2022-05-14
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OSV
CVE-2018-12928: In the Linux kernel 4↗2018-06-28
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📋Vendor Advisories

2
Red Hat
kernel: NULL pointer dereference in hfs_ext_read_extent in hfs.ko↗2018-04-12
▶
Debian
CVE-2018-12928: linux - In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-12928 kernel: NULL pointer dereference in hfs_ext_read_extent in hfs.ko↗2018-07-03
▶
Bugzilla
CVE-2018-12928 kernel: NULL pointer dereference in hfs_ext_read_extent in hfs.ko [fedora-all]↗2018-07-03
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