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TSX Asynchronous Abort (TAA) is a speculative-execution side-channel vulnerability affecting certain Intel processors that support Transactional Synchronization Extensions (TSX). When a TSX asynchronous-abort condition is pending, the processor may transiently consume data from affected architectural buffers and forward it to dependent speculative operations before the transaction is aborted. An attacker can use transaction-abort timing to infer TSX memory state and recover information through a covert timing channel. The issue is related to Microarchitectural Data Sampling (MDS)-class buffer disclosure behavior.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
44 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CPU speculative execution side-channel vulnerability in Intel TSX, discussed here in the context of enabling or disabling Windows mitigations.
The TSX Transaction Asynchronous Abort (TAA) hardware vulnerability addressed in the kernel update.
TSX Asynchronous Abort (TAA), referenced as the underlying vulnerability for which the CVE-2019-19338 KVM change was an incomplete fix.
TSX Asynchronous Abort (TAA), referenced as the underlying issue for which the KVM MSR_IA32_TSX_CTRL handling was an incomplete fix.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.