CVE-2026-89909

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89909", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.774Z", "datePublished": "2026-09-16T10:32:07.278Z", "dateUpdated": "2026-10-19T08:54:42.797Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:54:42.797Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Free init resources if kvm_init() fails\n\nkvm_loongarch_init() calls kvm_loongarch_env_init() to allocate the\nper-CPU kvm_context (vmcs) and kvm_loongarch_ops and to register the\nperf callbacks, and then calls kvm_init(). If kvm_init() fails its\nresult is returned directly, but since module_init() does not run the\nmodule_exit() stuff on failure, so kvm_loongarch_env_exit() is never\ncalled and those resources are leaked.\n\nSo call kvm_loongarch_env_exit() when kvm_init() fails, matching the\nteardown-on-failure pattern used by riscv_kvm_init()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/loongarch/kvm/main.c"], "versions": [{"version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "lessThan": "6bbbd7b719233645a5c120557a9ca1422e6b7a48", "status": "affected", "versionType": "git"}, {"version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "lessThan": "6b78786ee7260d9818cf1d7a245b7a655ef83076", "status": "affected", "versionType": "git"}, {"version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "lessThan": "3bf6f5e2e1007d38a5f35bd37e94ab645a0c40bc", "status": "affected", "versionType": "git"}, {"version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "lessThan": "f7a1064cce3b100b54780c68529176232d8eb01e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/loongarch/kvm/main.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.51", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "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": "6.7", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6bbbd7b719233645a5c120557a9ca1422e6b7a48"}, {"url": "https://git.kernel.org/stable/c/6b78786ee7260d9818cf1d7a245b7a655ef83076"}, {"url": "https://git.kernel.org/stable/c/3bf6f5e2e1007d38a5f35bd37e94ab645a0c40bc"}, {"url": "https://git.kernel.org/stable/c/f7a1064cce3b100b54780c68529176232d8eb01e"}], "title": "LoongArch: KVM: Free init resources if kvm_init() fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/loongarch/kvm/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6bbbd7b719233645a5c120557a9ca1422e6b7a48", "status": "affected", "version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "versionType": "git"}, {"lessThan": "6b78786ee7260d9818cf1d7a245b7a655ef83076", "status": "affected", "version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "versionType": "git"}, {"lessThan": "3bf6f5e2e1007d38a5f35bd37e94ab645a0c40bc", "status": "affected", "version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "versionType": "git"}, {"lessThan": "f7a1064cce3b100b54780c68529176232d8eb01e", "status": "affected", "version": "2bd6ac68726131da32ace9717aa63ff68cf6605c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/loongarch/kvm/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Free init resources if kvm_init() fails\n\nkvm_loongarch_init() calls kvm_loongarch_env_init() to allocate the\nper-CPU kvm_context (vmcs) and kvm_loongarch_ops and to register the\nperf callbacks, and then calls kvm_init(). If kvm_init() fails its\nresult is returned directly, but since module_init() does not run the\nmodule_exit() stuff on failure, so kvm_loongarch_env_exit() is never\ncalled and those resources are leaked.\n\nSo call kvm_loongarch_env_exit() when kvm_init() fails, matching the\nteardown-on-failure pattern used by riscv_kvm_init()."}], "id": "CVE-2026-89909", "lastModified": "2026-10-19T09:18:36.343", "metrics": {}, "published": "2026-09-16T11:16:59.917", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bf6f5e2e1007d38a5f35bd37e94ab645a0c40bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b78786ee7260d9818cf1d7a245b7a655ef83076"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6bbbd7b719233645a5c120557a9ca1422e6b7a48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7a1064cce3b100b54780c68529176232d8eb01e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bd6ac68726131da32ace9717aa63ff68cf6605c,6bbbd7b719233645a5c120557a9ca1422e6b7a48)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bd6ac68726131da32ace9717aa63ff68cf6605c,6b78786ee7260d9818cf1d7a245b7a655ef83076)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bd6ac68726131da32ace9717aa63ff68cf6605c,3bf6f5e2e1007d38a5f35bd37e94ab645a0c40bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bd6ac68726131da32ace9717aa63ff68cf6605c,f7a1064cce3b100b54780c68529176232d8eb01e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "7.3-rc2"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-17T10:00:11.594272+00:00", "updated": "2026-09-18T08:00:06.777840+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}