{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98712","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.365Z","datePublished":"2026-10-18T15:46:44.857Z","dateUpdated":"2026-10-19T09:24:23.386Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-19T09:24:23.386Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq\n\nReferencing the last interrupt inserted in an LR is rather fragile, as\nthis interrupt can vanish if a concurrently unmapped LPI.\n\nSolve this by bumping up the refcount on the interrupt when populating\nlast_lr_irq, and drop it at vgic_prune_ap_list() time, when LPIs are\nbeing reclaimed."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/vgic/vgic.c"],"versions":[{"version":"6da5e537f5afe091658e846da1949d7e557d2ade","lessThan":"8b25393d16a5ca8df907bd7ee1ff2e9d85678b3c","status":"affected","versionType":"git"},{"version":"6da5e537f5afe091658e846da1949d7e557d2ade","lessThan":"19bc5d79ece613f242b5ec03921a3b465321bfed","status":"affected","versionType":"git"},{"version":"cd28ca4c27ed5929f61bbed8a967c20519facb88","status":"affected","versionType":"git"},{"version":"6.19.9","lessThan":"6.20","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/vgic/vgic.c"],"versions":[{"version":"7.0","status":"affected"},{"version":"0","lessThan":"7.0","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8b25393d16a5ca8df907bd7ee1ff2e9d85678b3c"},{"url":"https://git.kernel.org/stable/c/19bc5d79ece613f242b5ec03921a3b465321bfed"}],"title":"KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq","x_generator":{"engine":"bippy-1.2.0"}}}}