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Last updated: 12/27/2014 2:18:11 PM

CVE Publication rate: 18

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Workload Index
Vulnerability Workload Index: 7.33
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National Cyber Awareness System

Vulnerability Summary for CVE-2013-2094

Original release date: 05/14/2013
Last revised: 09/11/2013
Source: US-CERT/NIST

Overview

The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MLIST
Name: [CentOS-announce] 20130515 CentOS-6 CVE-2013-2094 Kernel Issue
External Source: UBUNTU
Name: USN-1827-1
External Source: UBUNTU
Name: USN-1828-1
External Source: MLIST
Name: [CentOS-announce] 20130517 CESA-2013:0830 Important CentOS 6 kernel Update
External Source: MANDRIVA
Name: MDVSA-2013:176
External Source: UBUNTU
Name: USN-1836-1
External Source: REDHAT
Name: RHSA-2013:0830
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
External Source: MISC
Name: http://twitter.com/djrbliss/statuses/334301992648331267
Type: Patch Information
External Source: MLIST
Name: [linux-kernel] 20130412 Re: sw_perf_event_destroy() oops while fuzzing
External Source: SUSE
Name: openSUSE-SU-2013:0925
External Source: MLIST
Name: [oss-security] 20130514 Re: CVE Request: linux kernel perf out-of-bounds access
External Source: MLIST
Name: [linux-kernel] 20130413 Re: sw_perf_event_destroy() oops while fuzzing
External Source: MISC
Name: http://news.ycombinator.com/item?id=5703758
External Source: MISC
Name: http://packetstormsecurity.com/files/121616/semtex.c
External Source: SUSE
Name: openSUSE-SU-2013:0951
External Source: SUSE
Name: openSUSE-SU-2013:1042
External Source: SUSE
Name: openSUSE-SU-2013:0847
External Source: MISC
Name: http://www.reddit.com/r/netsec/comments/1eb9iw
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8176cced706b5e5d15887584150764894e94e02f
Type: Patch Information
External Source: SUSE
Name: SUSE-SU-2013:0819
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=962792
External Source: UBUNTU
Name: USN-1838-1
External Source: UBUNTU
Name: USN-1825-1
External Source: MLIST
Name: [linux-kernel] 20130412 sw_perf_event_destroy() oops while fuzzing
External Source: UBUNTU
Name: USN-1826-1
External Source: CONFIRM
Name: https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f

Technical Details

Vulnerability Type (View All)