CVE-2009-3234

high

Description

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) and execute arbitrary code via a "big size data" to the perf_counter_open system call.

References

http://www.securityfocus.com/bid/36423

http://www.openwall.com/lists/oss-security/2009/09/17/13

http://www.openwall.com/lists/oss-security/2009/09/16/1

Details

Source: Mitre, NVD

Published: 2009-09-17

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01197