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CVE-2009-3234
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…
Medium4.9EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 36423 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [linux-kernel] 20090916 [patch 15/45] perf_counter: Fix buffer overflow in perf_copy_attr() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20090917 Re: CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20090916 CVE request: kernel: perf_counter: Fix buffer overflow in perf_copy_attr() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2009-3234)Record last updated .