Vulnerability Details : CVE-2018-12928
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.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2018-12928
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 19 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-12928
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-12928
-
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12928
-
https://marc.info/?l=linux-fsdevel&m=152407263325766&w=2
'Re: Null-Pointer Deference in hfs.ko (Linux 4.15.0-15.16 Ubuntu)' - MARCMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/104593
Linux Kernel CVE-2018-12928 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384
Bug #1763384 “Null-Pointer Deference in hfs.ko (Linux 4.15.0-15....” : Bugs : linux package : UbuntuIssue Tracking;Third Party Advisory
Products affected by CVE-2018-12928
- cpe:2.3:o:linux:linux_kernel:4.15:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04.4:*:*:*:lts:*:*:*