CVE-2026-46171

MEDIUM

riscv: kvm: fix vector context allocation leak

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 5.5
EPSS 0.0013
EPSS Percentile 2.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (12)
linux/Kernel 6.19.0 - 7.0.7linux
linux/Kernel 6.5.0 - 6.18.30linux
Linux/Linux < 6.5
Linux/Linux 0f4b82579716b12bb88257bd7ea80f25c791fb2c - 1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98
Linux/Linux 0f4b82579716b12bb88257bd7ea80f25c791fb2c - b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978
Linux/Linux 0f4b82579716b12bb88257bd7ea80f25c791fb2c - bd62c0f61bc722a097417401030c596cea8e21aa
Linux/Linux 6.18.30 - 6.18.*
Linux/Linux 6.5
Linux/Linux 7.0.7 - 7.0.*
Linux/Linux 7.1
... and 2 more
Published May 28, 2026
Tracked Since May 28, 2026