Kernel buffers allocated by the SCTP network protocol were not
limited by the memory cgroup controller. A local user could
potentially use this to evade container memory limits and to cause
a denial of service (excessive memory use).
CVE-2019-19448, CVE-2019-19813, CVE-2019-19816
"Team bobfuzzer" reported bugs in Btrfs that could lead to a
use-after-free or heap buffer overflow, and could be triggered by
crafted filesystem images. A user permitted to mount and access
arbitrary filesystems could use these to cause a denial of service
(crash or memory corruption) or possibly for privilege escalation.
CVE-2020-10781
Luca Bruno of Red Hat discovered that the zram control file
/sys/class/zram-control/hot_add was readable by all users. On a
system with zram enabled, a local user could use this to cause a
denial of service (memory exhaustion).
CVE-2020-12888
It was discovered that the PCIe Virtual Function I/O (vfio-pci)
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