CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA 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
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.
Severity
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| - | - | n/a |
References
29 Links- [linux-kernel] 20130413 Re: sw_perf_event_destroy() oops while fuzzing
- [linux-kernel] 20130412 sw_perf_event_destroy() oops while fuzzing
- [CentOS-announce] 20130517 CESA-2013:0830 Important CentOS 6 kernel Update
- [linux-kernel] 20130412 Re: sw_perf_event_destroy() oops while fuzzing
- [CentOS-announce] 20130515 CentOS-6 CVE-2013-2094 Kernel Issue
- [oss-security] 20130514 Re: CVE Request: linux kernel perf out-of-bounds access
- https://bugzilla.redhat.com/show_bug.cgi?id=962792
- https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- http://news.ycombinator.com/item?id=5703758
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f
- http://packetstormsecurity.com/files/121616/semtex.c
- http://twitter.com/djrbliss/statuses/334301992648331267
- http://www.reddit.com/r/netsec/comments/1eb9iw
Record Details
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.