USN-4343-1

Advisory lineage Upstream: 2 Downstream: 0
Published: 28 Apr 2020, 23:27
Last modified:03 Jun 2026, 13:33

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

28 Apr 2020, 23:27
Published
Vulnerability first disclosed
03 Jun 2026, 13:33
Last Modified
Vulnerability information updated

Description

linux vulnerability Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

Affected Systems

  • ubuntulinux

    < 5.4.0-28.32

References (2)