CVE-2018-1093

5.5MEDIUM

Key Information:

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

Summary

The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.

Affected Version(s)

Linux kernel through version 4.15 Linux kernel through version 4.15

References

https://usn.ubuntu.com/3752-2/
vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3676-1/
vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018/07/msg0...
mailing-listx_refsource_MLIST

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
.