CVE-2013-2094 KEV EXPLOIT
8.4
HIGH · CVSS 3.1 · EPSS 47.7% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-10-06.
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.
Scoring
| CVSS | 8.4 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 47.71% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-189 |
| On CISA KEV | yes — remediate by 2022-10-06 |
| Public exploit | yes |
| Published | 2013-05-14 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Linux Kernel Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-09-15 |
| Due | 2022-10-06 |
| Vendor / product | Linux / Kernel |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| linux | linux kernel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel 3.2.0-23/3.5.0-23 (Ubuntu 12.04/12.04.1/12.04.2 x64) - 'perf_swevent_init' Local Privilege Escalation (3) | 2014-05-31 |
| exploit-db | Linux Kernel < 3.8.9 (x86-64) - 'perf_swevent_init' Local Privilege Escalation (2) | 2013-06-11 |
| exploit-db | Linux Kernel 2.6.32 < 3.x (CentOS 5/6) - 'PERF_EVENTS' Local Privilege Escalation (1) | 2013-05-14 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f
- http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html
- http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html
- http://news.ycombinator.com/item?id=5703758
- http://packetstormsecurity.com/files/121616/semtex.c
- http://rhn.redhat.com/errata/RHSA-2013-0830.html
- http://twitter.com/djrbliss/statuses/334301992648331267
- http://www.exploit-db.com/exploits/33589
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/05/14/6
- http://www.osvdb.org/93361
→ the Explorer · watch your stack · NVD