{"id":"CVE-2009-3234","aliases":["EUVD-2009-3217","GHSA-w34v-rr2h-4v99"],"status":"published","title":"Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6...","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.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01795,"percentile":0.78588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2009-09-17T10:00:00Z","modified":"2026-06-16T23:11:11Z","exploits":[{"source":"exploitdb","id":"EDB-33228","title":"Linux Kernel 2.6.31 - 'perf_counter_open()' Local Buffer Overflow","type":"dos","platform":"linux","date":"2009-09-16","verified":true,"url":"https://www.exploit-db.com/exploits/33228"}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.securityfocus.com/bid/36423","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://article.gmane.org/gmane.linux.kernel/890654","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit"]},{"url":"http://www.openwall.com/lists/oss-security/2009/09/17/13","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2009/09/16/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3234"},{"url":"https://github.com/advisories/GHSA-w34v-rr2h-4v99"}],"sources":{"cve":[{"id":"CVE-2009-3234","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.","status":"published","published":"2009-09-17T10:00:00Z","modified":"2024-08-07T06:22:23.307Z","updated_at":"2026-11-02T14:33:23.749891Z"}],"euvd":[{"id":"EUVD-2009-3217","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.","status":"published","published":"2009-09-17T10:00:00Z","modified":"2024-08-07T06:22:23Z","updated_at":"2026-11-03T01:39:14.567966Z"}],"ghsa":[{"id":"GHSA-w34v-rr2h-4v99","title":"Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6...","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.","status":"published","published":"2022-05-02T03:43:03Z","modified":"2023-01-31T05:09:02Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:29.017576Z"}],"nvd":[{"id":"CVE-2009-3234","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.","status":"published","published":"2009-09-17T10:30:01.313Z","modified":"2026-06-16T23:11:11.833Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:36.596719Z"}]}}