CVE-2023-53577 bpf, cpumap: Make sure kthread is running before map update returns

In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Make sure kthread is running before map update returns The following warning was reported when running stress-mode enabled xdpredirectcpu with some RT threads: ------------ cut here ------------ WARNING: CPU: 4 PID: ...

PUB-A-394583415

In SimUpdatePbEntry::encode of simdata.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...