CVE-2014-7843

medium

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.

References

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

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

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

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

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

http://secunia.com/advisories/62305

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

Details

Source: Mitre, NVD

Published: 2014-11-30

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H