CVE-2009-1527

Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object.

CVSS v2.0 6.9 MEDIUM

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb
http://secunia.com/advisories/34977	Broken Link
http://secunia.com/advisories/35120	Broken Link
http://wiki.rpath.com/Advisories:rPSA-2009-0084	Broken Link
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4	Broken Link
http://www.openwall.com/lists/oss-security/2009/05/04/2	Mailing List Third Party Advisory
http://www.osvdb.org/54188	Broken Link
http://www.securityfocus.com/archive/1/503610/100/0/threaded	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/34799	Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/1236	Not Applicable
https://exchange.xforce.ibmcloud.com/vulnerabilities/50293	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:2.6.30:-::::::
	cpe:2.3:o:linux:linux_kernel:2.6.30:rc1::::::
	cpe:2.3:o:linux:linux_kernel:2.6.30:rc2::::::
	cpe:2.3:o:linux:linux_kernel:2.6.30:rc3::::::

History

No history.

Information

Published : 2009-05-05 20:30

Updated : 2023-11-07 02:03

NVD link : CVE-2009-1527

Mitre link : CVE-2009-1527

CVE.ORG link : CVE-2009-1527

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

{"id": "CVE-2009-1527", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2009-05-05T20:30:00.313", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cad81bc2529ab8c62b6fdc83a1c0c7f4a87209eb", "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/34977", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/35120", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://wiki.rpath.com/Advisories:rPSA-2009-0084", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.30-rc4", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2009/05/04/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.osvdb.org/54188", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/archive/1/503610/100/0/threaded", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/34799", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.vupen.com/english/advisories/2009/1236", "tags": ["Not Applicable"], "source": "cve@mitre.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/50293", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "Race condition in the ptrace_attach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACE_ATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect cred_exec_mutex object."}, {"lang": "es", "value": "Condici\u00f3n de carrera en la funci\u00f3n ptrace_attach en kernel/ptrace.c en el kernel de Linux anterior a 2.6.40-rc4 permite a usuarios locales conseguir privilegios a trav\u00e9s de la llamada PTRACE_ATTACH ptrace durante una ejecuci\u00f3n de sistema que esta lanzando una aplicacion setuid, relacionada con el incorrecto bloqueo del objeto cred_exec_mutex."}], "lastModified": "2023-11-07T02:03:55.920", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3871E973-1DCE-4C2D-8FF0-9330AF928297", "versionEndIncluding": "2.6.29"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "77B40D2B-9AAA-49A4-9C74-7A94A82DBCCC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "45273823-29EA-44DE-8444-3933402C5793"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88F60E74-09DB-4D4A-B922-4A46EED0EC20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E242D3DE-D1DC-406A-BCC3-C4380B7EC369"}], "operator": "OR"}]}], "vendorComments": [{"comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, or Red Hat Enterprise MRG.", "lastModified": "2009-05-06T00:00:00", "organization": "Red Hat"}], "sourceIdentifier": "cve@mitre.org"}