UBUNTU-CVE-2014-7843
Advisory lineage Upstream: 1 Downstream: 2
Upstream
Downstream
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
- ubuntu•linux
< 3.13.0-44.73
- ubuntu•linux-lts-utopic
< 3.16.0-29.39~14.04.1
References (7)
- https://ubuntu.com/security/CVE-2014-7843
- https://bugzilla.redhat.com/show_bug.cgi?id=1163744
- https://ubuntu.com/security/notices/USN-2465-1
- https://ubuntu.com/security/notices/USN-2466-1
- https://ubuntu.com/security/notices/USN-2467-1
- https://ubuntu.com/security/notices/USN-2468-1
- https://www.cve.org/CVERecord?id=CVE-2014-7843