{"id":"CVE-2026-74614","revision":"11873fd381ed46868234841a9650dd9e","records":[{"revision":"11873fd381ed46868234841a9650dd9e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74614","aliases":[],"title":"vsock/virtio: read virtqueues under worker locks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: read virtqueues under worker locks\n\nCommit bd50c5dc182b (\"vsock/virtio: add support for device\nsuspend/resume\") made the *_run flags transition from false to true when\nrestore installs replacement virtqueues.  The RX, TX and event workers\nread their virtqueue before locking and checking the corresponding flag,\nso a worker delayed across freeze and restore can observe the replacement\nqueue's running state while retaining a pointer to the deleted queue.\n\nRead each virtqueue under its mutex after checking the run flag, keeping\nthe pointer and state in the same queue generation.","state":0,"publishedAt":"2026-08-22T15:31:59.8+00:00","modifiedAt":"2026-10-16T19:06:01.847+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                        \"net/vmw_vsock/virtio_transport.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"762c251c7f5c4ee5bef71460c6e822ed293fd69f\",\n                            \"lessThan\": \"941329ce14c5f481223a10d1d4c8b57ea7f3048a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"29dd10583bf9d2744cd84b862e4257c0a5699570\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"a1fb0c5b8a7c2753758aeced40971f99449dde0c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"eae099c764c7ebdb842eb1f638913e310bdd6513\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"bd43a7ec668be428265b3209eb43647aedcf720a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"1cecb4202afdbeddcf29d59baf596ac6ab753f7f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bd50c5dc182b0a52599f87b429f9a5a9cbfc9b1c\",\n                            \"lessThan\": \"ebac8f6b1ef0e9278afe204b8692a7479988dace\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.15.138\",\n                            \"lessThan\": \"5.15.216\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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                        \"net/vmw_vsock/virtio_transport.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.152\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.104\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.45\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.9\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.4,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/941329ce14c5f481223a10d1d4c8b57ea7f3048a","https://git.kernel.org/stable/c/29dd10583bf9d2744cd84b862e4257c0a5699570","https://git.kernel.org/stable/c/a1fb0c5b8a7c2753758aeced40971f99449dde0c","https://git.kernel.org/stable/c/eae099c764c7ebdb842eb1f638913e310bdd6513","https://git.kernel.org/stable/c/bd43a7ec668be428265b3209eb43647aedcf720a","https://git.kernel.org/stable/c/1cecb4202afdbeddcf29d59baf596ac6ab753f7f","https://git.kernel.org/stable/c/ebac8f6b1ef0e9278afe204b8692a7479988dace"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74614","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74614","identifiers":["CVE-2026-74614"]},"retained":false,"historicalAffected":[]}],"coverage":[]}