CVE-2026-46171CWE-401

CVE-2026-46171

Medium · published May 28, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
5.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00162 · 5.0th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2026-05-28T14:16Z
Affected products (2)
ProductVersionsFixed in
linux/linux_kernel≥ 6.5, < 6.18.306.18.30
linux/linux_kernel≥ 6.19, < 7.0.77.0.7
References (5)
EPSS history
Timeline
  • 28 MAY 09:36Z
    riscv: kvm: fix vector context allocation leak
    cvelistv5