CVE Explorer

CVE-2026-46113

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp->gfn plus the SPTE index. This assumption breaks for shadow paging if the guest page tables are modified between VM entries (similar to commit aad885e77496, "KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE", 2026-03-27). The flow is as follows: - a PDE is installed for a

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:91e5cfbf87ea8d4d67460fb3cd32334e0d6b2475773a8ba88ddc6c5c027d8049

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e9d4ea13aa2b6400bb10ec64b370ba3dadcd22f0","status":"affected","version":"6aa8b732ca01c3d7a54e93f4d701b8aabbe60fb7","versionType":"git"},{"lessThan":"488e386484ec8c0e558be6e156edf34ed9f4d5c8","status":"affected","version":"6aa8b732ca01c3d7a54e93f4d701b8aabbe60fb7","versionType":"git"},{"lessThan":"06c19c967b845b63172601fe459667d973b7e6b7","status":"affected","version":"6aa8b732ca01c3d7a54e93f…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/mmu/mmu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.20"},{"lessThan":"2.6.20","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.88","versionType":"semver"},{"lessT…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/06c19c967b845b63172601fe459667d973b7e6b7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/0cb2af2ea66ad8ff195c156ea690f11216285bdf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/14d1e55dfd2cf4711bff164a6aaaddb783552134"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/488e386484ec8c0e558be6e156edf34ed9f4d5c8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/738ec97b1855df6c08fe2369f798fa0b972e556b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/e9d4ea13aa2b6400bb10ec64b370ba3dadcd22f0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d62769cc185aba4bd7c4eb4be11caa15bc24fea6f51512ff8f6195d52b9ca471 · sha256:331ab6a4efb01db4… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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