Summary
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | linux | 5.4.0-28.32 |
Vulnerabilities 1
-
Unscored —
In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as d…
References
-
report
https://ubuntu.com/security/CVE-2020-11884