National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-13094 Detail

Current Description

An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.

Source:  MITRE
Description Last Modified:  07/03/2018
View Analysis Description

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: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.kernel.org/show_bug.cgi?id=199969 Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a Patch Third Party Advisory
https://github.com/torvalds/linux/commit/bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a Patch Third Party Advisory
https://usn.ubuntu.com/3752-1/
https://usn.ubuntu.com/3752-2/
https://usn.ubuntu.com/3752-3/
https://usn.ubuntu.com/3753-1/
https://usn.ubuntu.com/3753-2/
https://usn.ubuntu.com/3754-1/

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-13094
NVD Published Date:
07/03/2018
NVD Last Modified:
08/29/2018