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CVE-2011-2707

Date: May 24, 2012

The ptrace_setxregs function in arch/xtensa/kernel/ptrace.c in the Linux kernel before 3.1 does not validate user-space pointers, which allows local users to obtain sensitive information from kernel memory locations via a crafted PTRACE_SETXTREGS request.

Language: C

Severity Score

Related Resources (7)

http://www.openwall.com/lists/oss-security/2011/07/20/18
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
https://nvd.nist.gov/vuln/detail/CVE-2011-2707
https://github.com/torvalds/linux/commit/0d0138ebe24b94065580bd2601f8bb7eb6152f56
https://access.redhat.com/security/cve/CVE-2011-2707
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d0138ebe24b94065580bd2601f8bb7eb6152f56
https://www.mend.io/vulnerability-database/CVE-2011-2707

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

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

CVSS v2

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

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