CVE-2021-34556

A flaw was found in the Linux kernel, where an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack This issue occurs when the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack The highest threat from this vulnerability is to ...

A flaw was found in the Linux kernel, where a BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack This issue occurs when the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack The highest threat from this vulnerability is to confidentialit ...

In the Linux kernel through 5137, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack ...

An issue has been discovered in the Linux kernel mechanism to mitigate Speculative Store Bypass in BPF On affected systems, an unprivileged BPF program can exploit any of these issues to disclose the content of arbitrary kernel memory via a side-channel When identifying memory store operations to be protected against Speculative Store Bypass, an ...