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CVE-2026-53374 is an uninitialized-memory vulnerability in the Linux kernel AMDGPU driver. The GART table buffer allocated by amdgpu_bo_create_kernel() is not zero-initialized, and the GART translation lookaside buffer (TLB) is flushed after unmapping but not after mapping. Writing one page table entry (PTE) can cause the TLB to speculatively load adjacent uninitialized entries from the same cacheline. These entries may appear valid and remain cached when a subsequent PTE is written, causing the GPU to use stale, garbage address translations. This can result in incorrect memory mappings and unintended GPU memory access.
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24 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel AMDGPU GART-table initialization vulnerability addressed by zero-initializing the table on allocation.
A vulnerability covered by the Miracle Linux kernel package update. Individual technical details and exploit availability are not specified.
A vulnerability addressed by the Miracle Linux AXSA-2026-1750 kernel-related package update; the technical flaw details are not provided.
A vulnerability addressed by the AlmaLinux 9 kernel update; no vulnerability-specific technical details are supplied.
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.