CVE-2011-2521

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.openwall.com/lists/oss-security/2011/07/06/4", "name": "[oss-security] 20110706 Re: CVE request: kernel: perf, x86: fix Intel fixed counters base initialization", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e", "name": "https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39", "name": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39", "tags": ["Broken Link"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=719228", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=719228", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-189"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-2521", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2012-05-24T23:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.6.39"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-13T04:31Z"}