Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/mad: Do not call to functions that might sleep while in atomic context. Tracepoints are not allowed to sleep. As a result, the following error is generated due to a call to ibquerypkey in atomic context. WARNING: CPU: 0 PID:...

CVE-2022-50472 IB/mad: Don't call to function that might sleep while in atomic context

In the Linux kernel, the following vulnerability has been resolved: IB/mad: Don't call to function that might sleep while in atomic context Tracepoints are not allowed to sleep, as such the following splat is generated due to call to ibquerypkey in atomic context. WARNING: CPU: 0 PID: 1888000 at...

CVE-2022-50472

CVE-2022-50472 – Linux kernel IB/mad path : The issue arises when ib_query_pkey() is invoked in atomic context, which may sleep and triggers a trace/“splat” in the ring buffer, leading to a kernel warning. The description in the sources notes a sleep-prone call in atomic context and a generated t...