National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-8324 Detail

Description

The ext4 implementation in the Linux kernel before 2.6.34 does not properly track the initialization of certain data structures, which allows physically proximate attackers to cause a denial of service (NULL pointer dereference and panic) via a crafted USB device, related to the ext4_fill_super function.

Source:  MITRE
Description Last Modified:  05/02/2016

Evaluator Description

CWE-476: NULL Pointer Dereference

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 0.9

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11 Vendor Advisory
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34
http://rhn.redhat.com/errata/RHSA-2016-0855.html
http://www.openwall.com/lists/oss-security/2015/11/23/2
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
https://bugzilla.redhat.com/show_bug.cgi?id=1267261
https://github.com/torvalds/linux/commit/744692dc059845b2a3022119871846e74d4f6e11 Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8324
NVD Published Date:
05/02/2016
NVD Last Modified:
11/28/2016