Bug 2507126 (CVE-2026-64282) - CVE-2026-64282 kernel: KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier
Summary: CVE-2026-64282 kernel: KVM: arm64: Don't leak PFN when kvm_translate_vncr() r...
Keywords:
Status: NEW
Alias: CVE-2026-64282
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-25 10:06 UTC by OSIDB Bzimport
Modified: 2026-07-29 16:49 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-07-25 10:06:24 UTC 
In the Linux kernel, the following vulnerability has been resolved:

KVM: arm64: Don't leak PFN when kvm_translate_vncr() races MMU notifier

In the case that kvm_translate_vncr() races with an MMU notifier the
early return does not release a reference on the faulted in PFN. Add
the necessary call to kvm_release_faultin_page() for the unused PFN.
Comment 1 TEJ RATHI 2026-07-29 16:38:36 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026072502-CVE-2026-64282-842c@gregkh/T
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