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Vulnerability Details : CVE-2015-2830

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.
Publish Date : 2015-05-27 Last Update Date : 2018-01-05
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2015:1137: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20151137 unix
RHSA-2015:1139: kernel-rt security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20151139 unix
RHSA-2015:1221: kernel security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20151221 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2015-2830

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
3 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
4 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 1
Debian Debian Linux 2
Linux Linux Kernel 1

- References For CVE-2015-2830

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
SUSE SUSE-SU-2015:1611
http://rhn.redhat.com/errata/RHSA-2015-1137.html
REDHAT RHSA-2015:1137
http://www.openwall.com/lists/oss-security/2015/04/02/1
MLIST [oss-security] 20150401 CVE Request: Linux mishandles int80 fork from 64-bit tasks
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2 CONFIRM
http://www.debian.org/security/2015/dsa-3237
DEBIAN DSA-3237
http://www.ubuntu.com/usn/USN-2631-1
UBUNTU USN-2631-1
http://www.ubuntu.com/usn/USN-2632-1
UBUNTU USN-2632-1
http://www.securitytracker.com/id/1032413
SECTRACK 1032413
http://rhn.redhat.com/errata/RHSA-2015-1221.html
REDHAT RHSA-2015:1221
http://rhn.redhat.com/errata/RHSA-2015-1138.html
REDHAT RHSA-2015:1138
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
SUSE SUSE-SU-2015:1478
https://github.com/torvalds/linux/commit/956421fbb74c3a6261903f3836c0740187cf038b CONFIRM
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
SUSE SUSE-SU-2015:1592
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=956421fbb74c3a6261903f3836c0740187cf038b CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1208598 CONFIRM

- Metasploit Modules Related To CVE-2015-2830

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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