{"api_version":"1","generated_at":"2026-11-03T11:17:27+00:00","cve":"CVE-2026-89727","urls":{"html":"https://cve.report/CVE-2026-89727","api":"https://cve.report/api/cve/CVE-2026-89727.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89727","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89727"},"summary":{"title":"KVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID\n\nvgic_v2_deactivate() passes the INTID a guest wrote to GICV_DIR straight\nto vgic_get_vcpu_irq(), and treats a failed lookup as a \"can't happen\"\ncondition with WARN_ON_ONCE().\n\nThe guest can make it happen at will, though: for any INTID outside of\nthe implemented SGI, PPI and SPI ranges the lookup returns NULL, since\nGICv2 has no LPIs. A guest running with EOImode==1 writing such an INTID\nto GICV_DIR triggers the WARN, and panics hosts running with\npanic_on_warn.\n\nDrop the WARN and ignore failed lookups.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:20:03","updated_at":"2026-10-19 09:18:14"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/78b95c571d021391153a5ac7981e9e4d5cc856a3","name":"https://git.kernel.org/stable/c/78b95c571d021391153a5ac7981e9e4d5cc856a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c6d9c8ac6521d3049ec90ac58bebd23ed03ac496","name":"https://git.kernel.org/stable/c/c6d9c8ac6521d3049ec90ac58bebd23ed03ac496","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89727","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89727","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 255de897e7fb918a34845167c572b5bf8e1d9d79 78b95c571d021391153a5ac7981e9e4d5cc856a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 255de897e7fb918a34845167c572b5bf8e1d9d79 c6d9c8ac6521d3049ec90ac58bebd23ed03ac496 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89727","cve":"CVE-2026-89727","epss":"0.001550000","percentile":"0.050070000","score_date":"2026-09-14","updated_at":"2026-09-15 00:00:43"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kvm/vgic/vgic-v2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"78b95c571d021391153a5ac7981e9e4d5cc856a3","status":"affected","version":"255de897e7fb918a34845167c572b5bf8e1d9d79","versionType":"git"},{"lessThan":"c6d9c8ac6521d3049ec90ac58bebd23ed03ac496","status":"affected","version":"255de897e7fb918a34845167c572b5bf8e1d9d79","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/arm64/kvm/vgic/vgic-v2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID\n\nvgic_v2_deactivate() passes the INTID a guest wrote to GICV_DIR straight\nto vgic_get_vcpu_irq(), and treats a failed lookup as a \"can't happen\"\ncondition with WARN_ON_ONCE().\n\nThe guest can make it happen at will, though: for any INTID outside of\nthe implemented SGI, PPI and SPI ranges the lookup returns NULL, since\nGICv2 has no LPIs. A guest running with EOImode==1 writing such an INTID\nto GICV_DIR triggers the WARN, and panics hosts running with\npanic_on_warn.\n\nDrop the WARN and ignore failed lookups."}],"providerMetadata":{"dateUpdated":"2026-10-19T08:51:40.580Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/78b95c571d021391153a5ac7981e9e4d5cc856a3"},{"url":"https://git.kernel.org/stable/c/c6d9c8ac6521d3049ec90ac58bebd23ed03ac496"}],"title":"KVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89727","datePublished":"2026-09-11T19:46:38.291Z","dateReserved":"2026-09-11T19:38:34.759Z","dateUpdated":"2026-10-19T08:51:40.580Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:20:03","lastModifiedDate":"2026-10-19 09:18:14","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89727","Ordinal":"1","Title":"KVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID","CVE":"CVE-2026-89727","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89727","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID\n\nvgic_v2_deactivate() passes the INTID a guest wrote to GICV_DIR straight\nto vgic_get_vcpu_irq(), and treats a failed lookup as a \"can't happen\"\ncondition with WARN_ON_ONCE().\n\nThe guest can make it happen at will, though: for any INTID outside of\nthe implemented SGI, PPI and SPI ranges the lookup returns NULL, since\nGICv2 has no LPIs. A guest running with EOImode==1 writing such an INTID\nto GICV_DIR triggers the WARN, and panics hosts running with\npanic_on_warn.\n\nDrop the WARN and ignore failed lookups.","Type":"Description","Title":"KVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID"}]}}}