CVE-2014-7843

Published: Nov 30, 2014Modified: May 6, 2026

4.9

Vector

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

Exploitability: 3.9 / Impact: 6.9

Source: NVD

Description

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.

Affected (1)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 3.17.3

Related CWEs

CWE-17

References (14)

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

Source: secalert@redhat.com

http://secunia.com/advisories/62305

Source: secalert@redhat.com

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

Source: secalert@redhat.com

Vendor Advisory

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

PatchVendor Advisory

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

Source: secalert@redhat.com

PatchVendor Advisory

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