4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.9 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.
ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93
www.openwall.com/lists/oss-security/2011/12/15/2
bugzilla.redhat.com/show_bug.cgi?id=767914
github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93