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CVE-2022-4139 is an incorrect GPU translation lookaside buffer (TLB) flush vulnerability in the Linux kernel Intel i915 graphics driver. On Intel Gen12 hardware using specific engine types, the affected engine TLB may not be flushed, leaving stale GPU virtual-memory mappings after memory is reassigned. This can result in random memory access, memory corruption, or disclosure of data belonging to another process. Systems without an active IOMMU may permit access to reassigned physical memory; with an active IOMMU, exploitation may be possible where required IOMMU mappings can be created or reused.
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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.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel i915 graphics-driver flaw in which an incorrect GPU TLB flush can cause random memory access.
A Linux kernel i915 graphics-driver flaw in GPU TLB flushing that can result in random memory access.
A Linux kernel i915 graphics-driver vulnerability in which an incorrect GPU TLB flush can result in random memory access.
A Linux kernel i915 graphics-driver flaw in which an incorrect GPU TLB flush can cause random memory access.
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.