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medium5.5

CVE-2021-35477

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel…

Impact

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
through 5.13.7
DebianDebian Linux
Version 9.0
FedoraprojectFedora
Versions 33, 34

Weakness classification

CWE-203

References