Ubuntu Security Notice 5339-1 - Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain administrative privileges. It was discovered that an out-of-bounds memory access flaw existed in the f2fs module of the Linux kernel. A local attacker could use this issue to cause a denial of service.
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