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Findings

CVE-2013-2094

Linux Kernel Privilege Escalation Vulnerability

Published May 14, 2013 · updated Jun 16, 2026 · linux linux kernel

Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2013 · Catalog

    Detected

    Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

  2. Sep 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Oct 6, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

Required action

Apply updates per vendor instructions.

CISA due date Oct 6, 2022

Affected

  • cpe linux/linux kernelversion unspecified
  • vendor Linux Kernelversion unspecified

Sources

  • CISA KEVCVE-2013-2094

    Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.

    cisa.gov
  • CVE.orgCVE-2013-2094

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2013-2094

    30-day exploitation probability 47.7%

    first.org
  • Exploit Database25444

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit Database26131

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit Database33589

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDCVE-2013-2094

    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.

    nvd.nist.gov

References

CVE-2013-2094 · ZeroDay Findings