National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-2666 Detail

Description

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

Source:  MITRE
Description Last Modified:  05/27/2015

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html
http://rhn.redhat.com/errata/RHSA-2015-1534.html
http://www.openwall.com/lists/oss-security/2015/03/20/18
http://www.securitytracker.com/id/1032414
https://bugzilla.redhat.com/show_bug.cgi?id=1204722
https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.19.8


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-2666
NVD Published Date:
05/27/2015
NVD Last Modified:
12/30/2016