CVE-2013-2094

Vulnerability 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.

Severity and scoring

CVSS score

8.4 · HIGH

CVSS version

3.1

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-189

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product

Linux · Kernel

Added to catalog

2022-09-15

Required action

Apply updates per vendor instructions.

CISA remediation due date

2022-10-06

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  Before (exclusive): 3.0.75

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 3.1

  Before (exclusive): 3.2.45

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 3.3

  Before (exclusive): 3.4.42

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

  From (inclusive): 3.5

  Before (exclusive): 3.8.9

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f

  Not Applicable

• http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html

  Third Party Advisory · VDB Entry

• http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html

  Third Party Advisory

• http://news.ycombinator.com/item?id=5703758

  Third Party Advisory

• http://packetstormsecurity.com/files/121616/semtex.c

  Exploit · Third Party Advisory · VDB Entry

• http://rhn.redhat.com/errata/RHSA-2013-0830.html

  Third Party Advisory

• http://twitter.com/djrbliss/statuses/334301992648331267

  Patch

• http://www.exploit-db.com/exploits/33589

  Third Party Advisory · VDB Entry

• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9

  Not Applicable

• http://www.mandriva.com/security/advisories?name=MDVSA-2013:176

  Mailing List · Third Party Advisory

• http://www.openwall.com/lists/oss-security/2013/05/14/6

  Mailing List · Third Party Advisory

• http://www.osvdb.org/93361

  Broken Link

• http://www.reddit.com/r/netsec/comments/1eb9iw

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1825-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1826-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1827-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1828-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1836-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1838-1

  Third Party Advisory

• https://bugzilla.redhat.com/show_bug.cgi?id=962792

  Issue Tracking

• https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f

  Third Party Advisory

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f

  Not Applicable

• http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html

  Third Party Advisory · VDB Entry

• http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html

  Third Party Advisory · VDB Entry

• http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html

  Third Party Advisory · VDB Entry

• http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html

  Third Party Advisory

• http://news.ycombinator.com/item?id=5703758

  Third Party Advisory

• http://packetstormsecurity.com/files/121616/semtex.c

  Exploit · Third Party Advisory · VDB Entry

• http://rhn.redhat.com/errata/RHSA-2013-0830.html

  Third Party Advisory

• http://twitter.com/djrbliss/statuses/334301992648331267

  Patch

• http://www.exploit-db.com/exploits/33589

  Third Party Advisory · VDB Entry

• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9

  Not Applicable

• http://www.mandriva.com/security/advisories?name=MDVSA-2013:176

  Mailing List · Third Party Advisory

• http://www.openwall.com/lists/oss-security/2013/05/14/6

  Mailing List · Third Party Advisory

• http://www.osvdb.org/93361

  Broken Link

• http://www.reddit.com/r/netsec/comments/1eb9iw

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1825-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1826-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1827-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1828-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1836-1

  Third Party Advisory

• http://www.ubuntu.com/usn/USN-1838-1

  Third Party Advisory

• https://bugzilla.redhat.com/show_bug.cgi?id=962792

  Issue Tracking

• https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f

  Third Party Advisory

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094

  US Government Resource

Explore official sources

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