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CVE Vulnerability Details :
CVE-2026-46171
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-28 May, 2026 | 09:36
Updated At-28 May, 2026 | 09:36
Rejected At-
▼CVE Numbering Authority (CNA)
riscv: kvm: fix vector context allocation leak

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • arch/riscv/kvm/vcpu_vector.c
Default Status
unaffected
Versions
Affected
  • From 0f4b82579716b12bb88257bd7ea80f25c791fb2c before bd62c0f61bc722a097417401030c596cea8e21aa (git)
  • From 0f4b82579716b12bb88257bd7ea80f25c791fb2c before 1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98 (git)
  • From 0f4b82579716b12bb88257bd7ea80f25c791fb2c before b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • arch/riscv/kvm/vcpu_vector.c
Default Status
affected
Versions
Affected
  • 6.5
Unaffected
  • From 0 before 6.5 (semver)
  • From 6.18.30 through 6.18.* (semver)
  • From 7.0.7 through 7.0.* (semver)
  • From 7.1-rc1 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/bd62c0f61bc722a097417401030c596cea8e21aa
N/A
https://git.kernel.org/stable/c/1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98
N/A
https://git.kernel.org/stable/c/b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978
N/A
Hyperlink: https://git.kernel.org/stable/c/bd62c0f61bc722a097417401030c596cea8e21aa
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978
Resource: N/A
Details not found