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CVE-2018-14610

CVE information

Published

5 years ago

Last Modified

3 years ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in write_extent_buffer() when mounting and operating a crafted btrfs image, because of a lack of verification that each block group has a corresponding chunk at mount time, within btrfs_read_block_groups in fs/btrfs/extent-tree.c..

CVSSv2.0 Score

Severity
High
Base Score
7.1/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.5/10
Exploit Score
1.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
Required

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  Yes
- -

References