oss-sec mailing list archives
Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr()
From: Marcus Meissner <meissner () suse de>
Date: Thu, 17 Sep 2009 10:28:23 +0200
On Wed, Sep 16, 2009 at 09:32:26PM -0400, Steven M. Christey wrote:
====================================================== Name: CVE-2009-3234 Status: Candidate URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3234 Reference: MLIST:[linux-kernel] 20090916 [patch 15/45] perf_counter: Fix buffer overflow in perf_copy_attr() Reference: URL:http://article.gmane.org/gmane.linux.kernel/890654 Reference: MLIST:[oss-security] 20090916 CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() Reference: URL:http://www.openwall.com/lists/oss-security/2009/09/16/1 Reference: BID:36423 Reference: URL:http://www.securityfocus.com/bid/36423 Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6.31-rc1 allows local users to cause a denial of service (crash) via a "big size data" to the perf_counter_open system call.
I think Brad Spengler has succeeded in exploiting this for code execution, see his twitter timeline from yesterday http://twitter.com/spendergrsec Ciao, Marcus
Current thread:
- CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() Eugene Teo (Sep 15)
- Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() Steven M. Christey (Sep 16)
- Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() Marcus Meissner (Sep 17)
- Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() Steven M. Christey (Sep 16)