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CVE-2022-23960, also known as Spectre-BHB or Branch History Injection (BHI), is a speculative-execution side-channel vulnerability affecting certain Arm Cortex and Neoverse processors. Insufficient restriction of cache speculation allows malicious code to manipulate branch-history state shared through the CPU Branch History Buffer (BHB), influencing branch mispredictions in a victim hardware context. Speculative execution following the manipulated prediction can allocate cache entries whose observable effects permit inference of sensitive information.
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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.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A medium-severity speculative-execution information-disclosure vulnerability affecting certain Arm Cortex and Neoverse processors. Shared Branch History Buffer state can influence branch misprediction and permit disclosure of sensitive information via cache side channels.
ARM64 Linux kernel mitigation issue for the Spectre-BHB speculative-execution vulnerability.
Spectre branch-history-buffer speculative-execution vulnerability affecting ARM64 systems.
Unknown.
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.