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CVE-2014-7843

Date: November 29, 2014

The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary.

Language: C

Severity Score

5.1

Related Resources (10)

Url: http://secunia.com/advisories/62305

Url: http://www.openwall.com/lists/oss-security/2014/11/13/5

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97fc15436b36ee3956efad83e22a557991f7d19d

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2014-7843

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1163744

Url: https://nvd.nist.gov/vuln/detail/CVE-2014-7843

Url: http://www.securityfocus.com/bid/71082

Url: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4

Url: https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19d

Url: https://www.mend.io/vulnerability-database/CVE-2014-7843

Severity Score

5.1

Weakness Type (CWE)

Code

CWE-17

CVSS v3.1

Base Score:	5.1
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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