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CVE-2023-52606 is an insufficient input-size validation vulnerability in the Linux kernel PowerPC instruction-emulation code. Vector-operation sizes are determined by analyse_instr(), while floating-point and VMX emulation logic in sstep.c assumes a fixed maximum size. A size exceeding that assumption can cause unintended kernel stack corruption.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel PowerPC vector-operation size-validation flaw.
Linux kernel PowerPC vector-operation size-validation vulnerability.
Linux kernel PowerPC vector-operation size-validation vulnerability.
Linux kernel PowerPC vector-operation vulnerability caused by inadequate size validation.
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.