Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the masking negation logic when dealing with a negative dst register. The negation logic for the case where the offreg is stored in the dst register is incorrect; therefore, we cannot simply invert the addition operati...

CVE-2026-3580

In wolfSSL 5.8.4, constant-time masking logic in sp256getentry2569 is optimized into conditional branches bnez by GCC when targeting RISC-V RV32I with -O3. This transformation breaks the side-channel resistance of ECC scalar multiplication, potentially allowing a local attacker to recover secret...

CVE-2021-46974 bpf: Fix masking negation logic upon negative dst register

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix masking negation logic upon negative dst register The negation logic for the case where the offreg is sitting in the dst register is not correct given then we cannot just invert the add to a sub or vice versa. As a fix,...