VULNERABILITY INTELLIGENCE
CVE-2009-3234
CVSS score4.9 MEDIUM
EPSS probability1.80%
CISA KEVNot currently listed
Published2009-09-17
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C
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.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer