Bug 2482574 (CVE-2026-46171) - CVE-2026-46171 kernel: riscv: kvm: fix vector context allocation leak
Summary: CVE-2026-46171 kernel: riscv: kvm: fix vector context allocation leak
Keywords:
Status: NEW
Alias: CVE-2026-46171
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-28 11:03 UTC by OSIDB Bzimport
Modified: 2026-05-28 15:07 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-05-28 11:03:58 UTC 
In the Linux kernel, the following vulnerability has been resolved:

riscv: kvm: fix vector context allocation leak

When the second kzalloc (host_context.vector.datap) fails in
kvm_riscv_vcpu_alloc_vector_context, the first allocation
(guest_context.vector.datap) is leaked. Free it before returning.
Comment 1 Keith Grant 2026-05-28 15:06:04 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052827-CVE-2026-46171-a668@gregkh/T
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