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CVE-2015-2830

Good to know:

Date: May 27, 2015

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.

Language: C

Severity Score

2.9

Related Resources (20)

Url: http://rhn.redhat.com/errata/RHSA-2015-1138.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-2830

Url: https://access.redhat.com/security/cve/CVE-2015-2830

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-2830

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1208598

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html

Url: http://www.debian.org/security/2015/dsa-3237

Url: https://github.com/torvalds/linux/commit/956421fbb74c3a6261903f3836c0740187cf038b

Url: http://www.securitytracker.com/id/1032413

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=956421fbb74c3a6261903f3836c0740187cf038b

Url: http://www.openwall.com/lists/oss-security/2015/04/02/1

Url: http://rhn.redhat.com/errata/RHSA-2015-1137.html

Url: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2

Url: http://rhn.redhat.com/errata/RHSA-2015-1221.html

Url: http://www.ubuntu.com/usn/USN-2631-1

Url: http://www.ubuntu.com/usn/USN-2632-1

Url: https://www.mend.io/vulnerability-database/CVE-2015-2830

Severity Score

2.9

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

Upgrade Version

Upgrade to version 3.19.2

Learn More

CVSS v3.1

Base Score:	2.9
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	LOW
Availability (A):	NONE

CVSS v2

Base Score:	1.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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CVE-2015-2830

Good to know:

Date: May 27, 2015

Language: C

Severity Score

Related Resources (20)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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