CVE-2026-53359

CVE-2026-53359 concerns the Linux kernel KVM/x86 shadow paging use-after-free caused by a mismatch in GFN handling when a PDE is modified to a non-leaf page. After the PDE change and memslot deletion, rmap entries tied to the GFN may not be removed, and kvm_mmu_page_get_gfn() can compute an incor...

EUVD-2026-41666

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad "KVM: x86: Fix shadow paging use-after-free due to unexpected GFN" fixed a shadow paging mismatch between stored and computed GFNs; the bug...

postgresql: PostgreSQL row security below e.g. subqueries disregards user ID changes

A flaw was found in PostgreSQL. This vulnerability allows incorrect row-level security policies to be applied via subqueries, WITH queries, security invoker views, or SQL-language functions that reference tables with row-level security policies. This issue arises when a query is planned under one...

postgresql: row security policies disregard user ID changes after inlining.

A flaw was found in PostgreSQL, which could permit incorrect policies being applied in certain cases where role-specific policies are used and a given query is planned under one role and executed under other roles. This scenario can happen under security definer functions, or when a common user a...