UBUNTU-CVE-2014-7843

Advisory lineage Upstream: 1 Downstream: 2
Upstream
Published: 29 Nov 2014, 00:00
Last modified:22 Apr 2026, 09:49

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Nov 2014, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 09:49
Last Modified
Vulnerability information updated

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 Systems

  • ubuntulinux

    < 3.13.0-44.73

  • ubuntulinux-lts-utopic

    < 3.16.0-29.39~14.04.1

References (7)