CVE-2018-14612 Detail
Current Description
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.
Source:
MITRE
Description Last Modified:
07/27/2018
View Analysis Description
Analysis Description
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.
Source:
MITRE
Description Last Modified:
07/27/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.5 MEDIUM
Vector:
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.1 HIGH
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
(V2 legend)
Impact Subscore:
6.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
2 change records found
- show changes
Initial Analysis -
9/19/2018 1:51:23 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.17.10 |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:N/A:C) |
| Added |
CVSS V2 Metadata |
|
Victim must voluntarily interact with attack mechanism |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-476 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/104917 No Types Assigned |
http://www.securityfocus.com/bid/104917 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.kernel.org/show_bug.cgi?id=199847 No Types Assigned |
https://bugzilla.kernel.org/show_bug.cgi?id=199847 Exploit, Issue Tracking, Third Party Advisory |
| Changed |
Reference Type |
https://patchwork.kernel.org/patch/10503403/ No Types Assigned |
https://patchwork.kernel.org/patch/10503403/ Patch, Third Party Advisory |
| Changed |
Reference Type |
https://patchwork.kernel.org/patch/10503413/ No Types Assigned |
https://patchwork.kernel.org/patch/10503413/ Patch, Third Party Advisory |
CVE Modified by MITRE -
7/31/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/104917 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2018-14612
NVD Published Date:
07/27/2018
NVD Last Modified:
09/19/2018
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