CVE-2013-2094
Summary
| CVE | CVE-2013-2094 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2013-05-14 20:55:01 UTC |
| Updated | 2026-04-22 14:38:13 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 8.4 HIGH from ADP
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.477090000 probability, percentile 0.987200000 (date 2026-07-21)
CISA KEV: Listed on 2022-09-15; due 2022-10-06; ransomware use Unknown
Problem Types: CWE-189 | n/a | CWE-noinfo Not enough information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
CISA Known Exploited Vulnerability
| Vendor | Linux |
|---|---|
| Product | Kernel |
| Name | Linux Kernel Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8176cced706b5e5d15887584150764894e94e02f; https://nvd.nist.gov/vuln/detail/CVE-2013-2094 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [security-announce] openSUSE-SU-2013:0951-1: critical: kernel: security | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory, VDB Entry |
| Linux PERF_EVENTS Local Root ≈ Packet Storm | af854a3a-2127-422b-91ae-364da2661108 | packetstormsecurity.com | Exploit, Third Party Advisory, VDB Entry |
| www.osvdb.org/93361 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | Broken Link |
| USN-1838-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| [security-announce] openSUSE-SU-2013:1042-1: critical: kernel: security | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory, VDB Entry |
| USN-1826-1: Linux kernel vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| [security-announce] SUSE-SU-2013:0819-1: critical: Security update for t | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory, VDB Entry |
| [CentOS-announce] CESA-2013:0830 Important CentOS 6 kernel Update | af854a3a-2127-422b-91ae-364da2661108 | lists.centos.org | Third Party Advisory, VDB Entry |
| USN-1828-1: Linux kernel (Quantal HWE) vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| USN-1836-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Not Applicable |
| Support / Security / Advisories / / MDVSA-2013:176 | Mandriva | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | Mailing List, Third Party Advisory |
| Ubuntu 12.04.0-2LTS x64 perf_swevent_init - Kernel Local Root Exploit | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | Third Party Advisory, VDB Entry |
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| perf: Treat attr.config as u64 in perf_swevent_init() · torvalds/linux@8176cce · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Third Party Advisory |
| USN-1825-1: Linux kernel vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| Linux-Kernel Archive: Re: sw_perf_event_destroy() oops while fuzzing | af854a3a-2127-422b-91ae-364da2661108 | lkml.indiana.edu | Third Party Advisory |
| oss-security - Re: CVE Request: linux kernel perf out-of-bounds access | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Third Party Advisory |
| [email protected]'s semtex.c: Local Linux root exploit, 2.6.37-3.8.8 inclusive (and 2.6.32 on CentOS) 0-day : netsec | af854a3a-2127-422b-91ae-364da2661108 | www.reddit.com | Third Party Advisory |
| Linux local privilege escalation 0day, 2.6.37 - 3.8.10 | Hacker News | af854a3a-2127-422b-91ae-364da2661108 | news.ycombinator.com | Third Party Advisory |
| [CentOS-announce] CentOS-6 CVE-2013-2094 Kernel Issue | af854a3a-2127-422b-91ae-364da2661108 | lists.centos.org | Third Party Advisory, VDB Entry |
| Bug 962792 – CVE-2013-2094 kernel: perf_swevent_enabled array out-of-bound access | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking |
| USN-1827-1: Linux kernel vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | Third Party Advisory |
| Linux-Kernel Archive: sw_perf_event_destroy() oops while fuzzing | af854a3a-2127-422b-91ae-364da2661108 | lkml.indiana.edu | Third Party Advisory, VDB Entry |
| Dan Rosenberg na Twitterze: "For those following along, here's the fix: http://t.co/8Q3PzIL7IX" | af854a3a-2127-422b-91ae-364da2661108 | twitter.com | Patch |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| [security-announce] openSUSE-SU-2013:0925-1: important: kernel: security | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory, VDB Entry |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Not Applicable |
| [security-announce] openSUSE-SU-2013:0847-1: important: kernel: security | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory, VDB Entry |
| Linux-Kernel Archive: Re: sw_perf_event_destroy() oops while fuzzing | af854a3a-2127-422b-91ae-364da2661108 | lkml.indiana.edu | Third Party Advisory, VDB Entry |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MITRE | git.kernel.org | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| access.redhat.com | CVE-2013-2094 | MITRE | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-09-15T00:00:00.000Z | CVE-2013-2094 added to CISA KEV |
There are currently no legacy QID mappings associated with this CVE.