CVE-2018-1092

5.5MEDIUM

Key Information:

Vendor
Linux
Status
Linux Kernel Through Version 4.15
Vendor
CVE Published:
2 April 2018

Summary

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

Affected Version(s)

Linux kernel through version 4.15 Linux kernel through version 4.15

References

https://usn.ubuntu.com/3676-1/
vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3678-2/
vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:3083
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.