Chinese Loongson processors have leaky caches, researchers find
ID: 9eefeeba-cc10-5bd6-ad01-622958d8816e
STIX ID: report--9eefeeba-cc10-5bd6-ad01-622958d8816e
Feed Name: The Register (Security)
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Researchers discovered an architectural L1 cache leakage in China’s Loongson CPUs (called LoongLeak) that can be exploited from unprivileged code, containers, or VMs to recover sensitive data such as AES keys and password hashes; mitigations require hardware fixes or disabling hyperthreading, and Loongson has issued a fix for its 3A6000 model while the overall impact is limited by the chips’ low global deployment.
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