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Fencer Vulns
medium 4.9

CVE-2009-3234 json

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…

published 2009-09-17 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3217

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-33228)
  2. Published

Exploit prediction

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33228 Linux Kernel 2.6.31 - 'perf_counter_open()' Local Buffer Overflow dos, 2009-09-16
  • article.gmane.org http://article.gmane.org/gmane.linux.kernel/890654 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

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