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CVE-2009-2848

Good to know:

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Date: August 18, 2009

The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit.

Language: C

Severity Score

Related Resources (5)

http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
http://www.vupen.com/english/advisories/2009/3316
http://secunia.com/advisories/36759
https://nvd.nist.gov/vuln/detail/CVE-2009-2848
https://www.mend.io/vulnerability-database/CVE-2009-2848

Severity Score

Weakness Type (CWE)

Improper Privilege Management

CWE-269

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): COMPLETE
Additional information:

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