CVE-2009-3234

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-09-17 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Linux kernel: 2.6.31-rc1

References

http://article.gmane.org/gmane.linux.kernel/890654
http://www.openwall.com/lists/oss-security/2009/09/16/1
http://www.openwall.com/lists/oss-security/2009/09/17/13
http://www.securityfocus.com/bid/36423
http://article.gmane.org/gmane.linux.kernel/890654
http://www.openwall.com/lists/oss-security/2009/09/16/1
http://www.openwall.com/lists/oss-security/2009/09/17/13
http://www.securityfocus.com/bid/36423

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