Threats Tagged 'cve-2026-64295'
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Threats Tagged 'cve-2026-64295'
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In the Linux kernel, the following vulnerability has been resolved: mm: page_ext: add count limit to page_ext_iter_next to prevent invalid PFN… (CVE-2026-64295)CVE-2026-64295 0 A vulnerability in the Linux kernel's memory management subsystem was resolved by adding a count limit to the page_ext_iter_next iterator function to prevent invalid page frame number (PFN) access. The issue arises because the page_ext iteration API did not validate whether the PFN still belonged to a valid memory section during iteration, potentially causing a NULL pointer dereference during memory hotplug operations. This could lead to kernel crashes when dynamically adding memory. The fix enforces iteration boundaries inside the iterator functions to prevent out-of-range access. Join the discussion | GCVE Database | 07/25/2026, 12:31:29 UTC Added: 07/25/2026, 23:09:02 UTC |
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