{"id":"CVE-2026-46171","revision":"735cfcd4b7ef4c659a6551681400593b","records":[{"revision":"735cfcd4b7ef4c659a6551681400593b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46171","aliases":[],"title":"riscv: kvm: fix vector context allocation leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kvm: fix vector context allocation leak\n\nWhen the second kzalloc (host_context.vector.datap) fails in\nkvm_riscv_vcpu_alloc_vector_context, the first allocation\n(guest_context.vector.datap) is leaked. Free it before returning.","state":0,"publishedAt":"2026-05-28T09:36:25.966+00:00","modifiedAt":"2026-10-21T12:41:22.651+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/riscv/kvm/vcpu_vector.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"0f4b82579716b12bb88257bd7ea80f25c791fb2c\",\n                            \"lessThan\": \"8f3a5dc4055e1001b44ca8ae2bd3eb1d07782049\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0f4b82579716b12bb88257bd7ea80f25c791fb2c\",\n                            \"lessThan\": \"70ecebe7c58ce01f8da3f513eafb51bd147b1e63\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0f4b82579716b12bb88257bd7ea80f25c791fb2c\",\n                            \"lessThan\": \"bd62c0f61bc722a097417401030c596cea8e21aa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0f4b82579716b12bb88257bd7ea80f25c791fb2c\",\n                            \"lessThan\": \"1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0f4b82579716b12bb88257bd7ea80f25c791fb2c\",\n                            \"lessThan\": \"b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/riscv/kvm/vcpu_vector.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.30\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.7\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8f3a5dc4055e1001b44ca8ae2bd3eb1d07782049","https://git.kernel.org/stable/c/70ecebe7c58ce01f8da3f513eafb51bd147b1e63","https://git.kernel.org/stable/c/bd62c0f61bc722a097417401030c596cea8e21aa","https://git.kernel.org/stable/c/1d57ab45ec5c0e22789de793bcf2a31ad6fb7d98","https://git.kernel.org/stable/c/b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46171","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46171","identifiers":["CVE-2026-46171"]},"retained":false,"historicalAffected":[]}],"coverage":[]}