CVE-2015-2666

CVSS V2 Medium 6.9 CVSS V3 None

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.

Overview

CVE ID
CVE-2015-2666

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2015-05-27T10:59:04

Last Modified Date
2016-12-31T02:59:25

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR		3.19.8

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2015-2666
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2666

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 09:53:42				Added to TrackCVE
2022-12-02 04:48:40	2015-05-27T10:59Z	2015-05-27T10:59:04	CVE Published Date	updated
2022-12-02 04:48:40		2016-12-31T02:59:25	CVE Modified Date	updated
2022-12-02 04:48:40		Modified	Vulnerability Status	updated