National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-3339 Detail

Current Description

Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.2 MEDIUM
Vector: (AV:L/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
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=8b01fc86b9f425899f8a3a8fc1c47d73c2c20543
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157897.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158804.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://rhn.redhat.com/errata/RHSA-2015-1272.html
http://www.debian.org/security/2015/dsa-3237
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6 Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/04/20/5
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securitytracker.com/id/1032412
https://bugzilla.redhat.com/show_bug.cgi?id=1214030
https://github.com/torvalds/linux/commit/8b01fc86b9f425899f8a3a8fc1c47d73c2c20543

Technical Details

Vulnerability Type (View All)

  • Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)

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)
3.19.5

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-3339
NVD Published Date:
05/27/2015
NVD Last Modified:
12/30/2016