USN-4343-1
Not scored
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.
Exploit probability
Not scored
Published
April 28, 2020
Required by
Not available
Last source change
June 3, 2026
02 / AFFECTED SOFTWARE
Affected packages
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
USN-4343-1
View original source
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.
05 / REFERENCES