https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 01:28:00 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89921 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>KVM: s390: Zero initialize data structures for inject_pfault_token</p> <p>__kvm_inject_pfault_token() only sets .type and .u.ext.ext_params2 of the on-stack struct kvm_s390_irq but the full ext substructure is copied into the cpu local variable on inject. ext_params and pad contain stale stack values.</p> <p>Interrupt delivery only uses ext_params2, so nothing leaks to the guest, but a host user can use the migration ioctls to get to the data.</p> <p>Fix by zero-initializing the irq struct. Do the same for the inti data structure.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>KVM: s390: Zero initialize data structures for inject_pfault_token</p> <p>__kvm_inject_pfault_token() only sets .type and .u.ext.ext_params2 of the on-stack struct kvm_s390_irq but the full ext substructure is copied into the cpu local variable on inject. ext_params and pad contain stale stack values.</p> <p>Interrupt delivery only uses ext_params2, so nothing leaks to the guest, but a host user can use the migration ioctls to get to the data.</p> <p>Fix by zero-initializing the irq struct. Do the same for the inti data structure.</p> https://vulnerability.circl.lu/vuln/cve-2026-89921