CVE-2013-2094

Linux Kernel Privilege Escalation Vulnerability

Linux Kernel

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.

14. Mai 2013

Ausgewertete Quellen

• Red Hat
  http://rhn.redhat.com/errata/RHSA-2013-0830.html
• Red Hat
  https://bugzilla.redhat.com/show_bug.cgi?id=962792
• Ubuntu
  http://www.ubuntu.com/usn/USN-1825-1
• Ubuntu
  http://www.ubuntu.com/usn/USN-1826-1
• Ubuntu
  http://www.ubuntu.com/usn/USN-1827-1
• Ubuntu
  http://www.ubuntu.com/usn/USN-1828-1
• Ubuntu
  http://www.ubuntu.com/usn/USN-1836-1
• Ubuntu
  http://www.ubuntu.com/usn/USN-1838-1
• Hinweis
  http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html
• Hinweis
  http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html
• Hinweis
  http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html
• Hinweis
  http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
• Hinweis
  http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
• Hinweis
  http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html
• Hinweis
  http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html
• Hinweis
  http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html
• Hinweis
  http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html
• Hinweis
  http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html
• Hinweis
  http://news.ycombinator.com/item?id=5703758
• Hinweis
  http://packetstormsecurity.com/files/121616/semtex.c
• Hinweis
  http://www.exploit-db.com/exploits/33589
• Hinweis
  http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
• Hinweis
  http://www.openwall.com/lists/oss-security/2013/05/14/6
• Hinweis
  http://www.reddit.com/r/netsec/comments/1eb9iw
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094
• CISA
  Linux Kernel Privilege Escalation Vulnerability
• NVD
  CVE-2013-2094
• GitHub
  https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f