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Description

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: check for nEPT/nNPT in slow flush hypercalls Checking is_guest_mode(vcpu) is incorrect, because translate_nested_gpa() is only valid if an L2 guest is running *with nested EPT/NPT enabled*. Instead use the same condition as translate_nested_gpa() itself.

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

Product status

Default status
unaffected

aee738236dca0d0870789138ec494e15d6303566 (git) before 971f17f5d91045404e3914029ea57c3da90179a4
affected

aee738236dca0d0870789138ec494e15d6303566 (git) before 45fc766bc756ff1d66f8ca026a9c4f7f764adfae
affected

aee738236dca0d0870789138ec494e15d6303566 (git) before d6f4e217d663ede5becc2fd6cb612c749677387b
affected

aee738236dca0d0870789138ec494e15d6303566 (git) before 4c7f8436b19a2a3acc0cb6b6e3becd6796ae5c57
affected

aee738236dca0d0870789138ec494e15d6303566 (git) before 464af6fc2b1dcc74005b7f58ee3812b17777efee
affected

Default status
affected

6.2
affected

Any version before 6.2
unaffected

6.6.140 (semver)
unaffected

6.12.88 (semver)
unaffected

6.18.30 (semver)
unaffected

7.0.7 (semver)
unaffected

7.1-rc3 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/971f17f5d91045404e3914029ea57c3da90179a4

git.kernel.org/...c/45fc766bc756ff1d66f8ca026a9c4f7f764adfae

git.kernel.org/...c/d6f4e217d663ede5becc2fd6cb612c749677387b

git.kernel.org/...c/4c7f8436b19a2a3acc0cb6b6e3becd6796ae5c57

git.kernel.org/...c/464af6fc2b1dcc74005b7f58ee3812b17777efee

cve.org (CVE-2026-46131)

nvd.nist.gov (CVE-2026-46131)

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