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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.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-28 | Updated 2026-05-28 | Assigner Linux

Product status

Default status
unaffected

0f4b82579716b12bb88257bd7ea80f25c791fb2c (git) before bd62c0f61bc722a097417401030c596cea8e21aa
affected

0f4b82579716b12bb88257bd7ea80f25c791fb2c (git) before 1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98
affected

0f4b82579716b12bb88257bd7ea80f25c791fb2c (git) before b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978
affected

Default status
affected

6.5
affected

Any version before 6.5
unaffected

6.18.30 (semver)
unaffected

7.0.7 (semver)
unaffected

7.1-rc1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/bd62c0f61bc722a097417401030c596cea8e21aa

git.kernel.org/...c/1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98

git.kernel.org/...c/b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978

cve.org (CVE-2026-46171)

nvd.nist.gov (CVE-2026-46171)

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