kernel: perf_swevent_enabled array out-of-bound access
Published May 14, 2013 ·Due Oct 6, 2022
8.4
HIGHCVSS 3.1
EPSS 47.71%
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.
Affected products
No data.
- < 3.0.75
- ≥ 3.1 · < 3.2.45
- ≥ 3.3 · < 3.4.42
- ≥ 3.5 · < 3.8.9
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-358.6.2.el6
Fixed · RHSA-2013:0830
Red Hat Enterprise Linux 6.1 EUS - Server Only
kernel-0:2.6.32-131.39.1.el6
Fixed · RHSA-2013:0841
Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only
kernel-0:2.6.32-220.34.2.el6
Fixed · RHSA-2013:0840
Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only
kernel-0:2.6.32-279.25.2.el6
Fixed · RHSA-2013:0832
Red Hat Enterprise MRG 2
kernel-rt-0:3.6.11.2-rt33.39.el6rt
Fixed · RHSA-2013:0829
Red Hat Enterprise Linux 5
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-358.6.2.el6 | Fixed | RHSA-2013:0830 |
| Red Hat Enterprise Linux 6.1 EUS - Server Only | kernel-0:2.6.32-131.39.1.el6 | Fixed | RHSA-2013:0841 |
| Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only | kernel-0:2.6.32-220.34.2.el6 | Fixed | RHSA-2013:0840 |
| Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only | kernel-0:2.6.32-279.25.2.el6 | Fixed | RHSA-2013:0832 |
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.6.11.2-rt33.39.el6rt | Fixed | RHSA-2013:0829 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the kernel packages as shipped with Red Hat Enterprise Linux 5 because we did not backport upstream commit b0a873eb that introduced this issue. This issue was addressed in Red Hat Enterprise Linux 6 via RHSA-2013:0830 (https://rhn.redhat.com/errata/RHSA-2013-0830.html), Red Hat Enterprise Linux 6.1 Extended update support via RHSA-2013:0841 (https://rhn.redhat.com/errata/RHSA-2013-0841.html), Red Hat Enterprise Linux 6.2 Extended update support via RHSA-2013:0840 (https://rhn.redhat.com/errata/RHSA-2013-0840.html), Red Hat Enterprise Linux 6.3 Extended Update Support via RHSA-2013:0832 (https://rhn.redhat.com/errata/RHSA-2013-0832.html), and Red Hat Enterprise MRG 2 via RHSA-2013:0829 (https://rhn.redhat.com/errata/RHSA-2013-0829.html). Red Hat Enterprise Linux 6.0 was not affected by this flaw. Refer to https://access.redhat.com/site/solutions/373743 for further information.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
Date Added
Sep 15, 2022
Patch Due
Oct 6, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 1, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (39 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 47.71% (0.47709) | 98.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 47.71% (0.47709) | 98.69th | v5 (v2026.06.15) |
| Mar 22, 2026 | 65.85% (0.65851) | 98.48th | v4 (v2025.03.14) |
| Feb 14, 2026 | 58.45% (0.58454) | 98.15th | v4 (v2025.03.14) |
| Jan 28, 2026 | 64.53% (0.64534) | 98.40th | v4 (v2025.03.14) |
| Dec 21, 2025 | 62.26% (0.62259) | 98.27th | v4 (v2025.03.14) |
| Nov 1, 2025 | 61.14% (0.61143) | 98.23th | v4 (v2025.03.14) |
| Oct 22, 2025 | 62.39% (0.62391) | 98.25th | v4 (v2025.03.14) |
| Oct 6, 2025 | 64.42% (0.64419) | 98.38th | v4 (v2025.03.14) |
| Sep 18, 2025 | 63.06% (0.63061) | 98.35th | v4 (v2025.03.14) |
| Sep 17, 2025 | 70.50% (0.70503) | 98.65th | v4 (v2025.03.14) |
| Sep 8, 2025 | 62.89% (0.62894) | 98.33th | v4 (v2025.03.14) |
| Sep 1, 2025 | 64.96% (0.64956) | 98.42th | v4 (v2025.03.14) |
| Aug 11, 2025 | 62.89% (0.62894) | 98.30th | v4 (v2025.03.14) |
| Aug 5, 2025 | 55.25% (0.55246) | 97.95th | v4 (v2025.03.14) |
| Aug 1, 2025 | 57.56% (0.57565) | 98.08th | v4 (v2025.03.14) |
| Jul 10, 2025 | 55.25% (0.55246) | 97.91th | v4 (v2025.03.14) |
| Jul 6, 2025 | 62.89% (0.62894) | 98.27th | v4 (v2025.03.14) |
| Jul 1, 2025 | 64.96% (0.64956) | 98.37th | v4 (v2025.03.14) |
| Jun 8, 2025 | 62.89% (0.62894) | 98.25th | v4 (v2025.03.14) |
| Jun 4, 2025 | 61.54% (0.61542) | 98.20th | v4 (v2025.03.14) |
| Jun 1, 2025 | 63.66% (0.63658) | 98.30th | v4 (v2025.03.14) |
| May 9, 2025 | 61.54% (0.61542) | 98.20th | v4 (v2025.03.14) |
| May 1, 2025 | 63.66% (0.63658) | 98.30th | v4 (v2025.03.14) |
| Mar 25, 2025 | 61.54% (0.61542) | 98.19th | v4 (v2025.03.14) |
| Mar 23, 2025 | 53.75% (0.53746) | 97.70th | v4 (v2025.03.14) |
| Mar 22, 2025 | 56.10% (0.56100) | 97.93th | v4 (v2025.03.14) |
| Mar 20, 2025 | 53.75% (0.53746) | 97.81th | v4 (v2025.03.14) |
| Mar 19, 2025 | 56.10% (0.56100) | 97.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 53.75% (0.53746) | 97.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00160) | 53.92th | v3 (v2023.03.01) |
| Feb 16, 2024 | 0.18% (0.00179) | 54.09th | v3 (v2023.03.01) |
| Nov 30, 2023 | 0.07% (0.00066) | 27.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00079) | 32.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.82% (0.03821) | 85.56th | v2 (v2022.01.01) |
| Feb 13, 2023 | 3.82% (0.03821) | 85.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 5.43% (0.05433) | 89.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.82% (0.03821) | 84.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.82% (0.03821) | 67.27th | v2 (v2022.01.01) |
References (34)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f x_refsource_CONFIRMNot Applicable
- http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html mailing-listx_refsource_MLISTThird Party AdvisoryVDB Entry
- http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html mailing-listx_refsource_MLISTThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
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- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
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- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html mailing-listx_refsource_MLISTThird Party Advisory
- http://news.ycombinator.com/item?id=5703758 x_refsource_MISCThird Party Advisory
- http://packetstormsecurity.com/files/121616/semtex.c x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2013-0830.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://twitter.com/djrbliss/statuses/334301992648331267 x_refsource_MISCPatch
- http://www.exploit-db.com/exploits/33589 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 x_refsource_CONFIRMNot Applicable
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor-advisoryx_refsource_MANDRIVAMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2013/05/14/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.osvdb.org/93361 vdb-entryx_refsource_OSVDBBroken Link
- http://www.reddit.com/r/netsec/comments/1eb9iw x_refsource_MISCThird Party Advisory
- http://www.ubuntu.com/usn/USN-1825-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1826-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1827-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1828-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1836-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1838-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-2094 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=962792 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-2094
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094 government-resourceUS Government Resource
- https://www.cve.org/CVERecord?id=CVE-2013-2094
Change history (0)
No recorded changes yet.