UBUNTU-CVE-2026-64282

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't leak PFN when kvmtranslatevncr races MMU notifier In the case that kvmtranslatevncr races with an MMU notifier the early return does not release a reference on the faulted in PFN. Add the necessary call to...

EUVD-2026-49007

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

CVE-2026-64295

The vulnerability CVE-2026-64295 affects the Linux kernel’s page_ext iteration API. The issue arises when memory hotplug advances the iterator past the last valid section, causing page_ext_lookup to dereference a NULL PFN. The root cause is that for_each_page_ext() can increment the iterator boun...

CVE-2026-64282 KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't leak PFN when kvmtranslatevncr races MMU notifier In the case that kvmtranslatevncr races with an MMU notifier the early return does not release a reference on the faulted in PFN. Add the necessary call to...

Unbreakable Enterprise kernel security update

5.4.17-2136.311.6 - Revert 'KVM: x86: Print error code in exception injection tracepoint iff valid' Sherry Yang Orabug: 34535896 5.4.17-2136.311.5 - netfilter: nftables: do not allow RULEID to refer to another chain Thadeu Lima de Souza Cascardo Orabug: 34495567 CVE-2022-2586 - netfilter: nftable...