CVE-2018-12928 — MEDIUM (5.5)

Vulnerability 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 Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	4.15
Canonical	Ubuntu Linux	16.04.4

Related Weaknesses (CWE)

CWE-476

References

http://www.securityfocus.com/bid/104593Third Party AdvisoryVDB Entry
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384Issue TrackingThird Party Advisory
https://marc.info/?l=linux-fsdevel&m=152407263325766&w=2Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104593Third Party AdvisoryVDB Entry
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384Issue TrackingThird Party Advisory
https://marc.info/?l=linux-fsdevel&m=152407263325766&w=2Mailing ListThird Party Advisory

FAQ

What is CVE-2018-12928?

CVE-2018-12928 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.

How severe is CVE-2018-12928?

CVE-2018-12928 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-12928?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.