National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-2830 Detail

Description

arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.

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

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4

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

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=956421fbb74c3a6261903f3836c0740187cf038b
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
http://rhn.redhat.com/errata/RHSA-2015-1137.html
http://rhn.redhat.com/errata/RHSA-2015-1138.html
http://rhn.redhat.com/errata/RHSA-2015-1221.html
http://www.debian.org/security/2015/dsa-3237
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2 Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/04/02/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securitytracker.com/id/1032413
http://www.ubuntu.com/usn/USN-2631-1
http://www.ubuntu.com/usn/USN-2632-1
https://bugzilla.redhat.com/show_bug.cgi?id=1208598
https://github.com/torvalds/linux/commit/956421fbb74c3a6261903f3836c0740187cf038b

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-2830
NVD Published Date:
05/27/2015
NVD Last Modified:
01/04/2018