zae-limiter: DynamoDB hot partition throttling enables per-entity Denial of Service

Summary All rate limit buckets for a single entity share the same DynamoDB partition key namespace/ENTITYid. A high-traffic entity can exceed DynamoDB's per-partition throughput limits 1,000 WCU/sec, causing throttling that degrades service for that entity — and potentially co-located entities in...

zae-limiter 安全漏洞

Zae-limiter is a rate-limiting library open source by ZeroAE. Versions of Zae-limiter prior to 0.10.1 contained security vulnerabilities. These vulnerabilities stemmed from the fact that all rate-limiting buckets for a single entity shared the same DynamoDB partition key. This could lead to...

DEBIAN-CVE-2024-46797

In the Linux kernel, the following vulnerability has been resolved: powerpc/qspinlock: Fix deadlock in MCS queue If an interrupt occurs in queuedspinlockslowpath after we increment qnodesp-count and before node-lock is initialized, another CPU might see stale lock values in gettailqnode. If the...