{"id":"CVE-2023-54280","revision":"be86a221f62841b1838b07d17281060a","records":[{"revision":"be86a221f62841b1838b07d17281060a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54280","aliases":[],"title":"cifs: fix potential race when tree connecting ipc","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential race when tree connecting ipc\n\nProtect access of TCP_Server_Info::hostname when building the ipc tree\nname as it might get freed in cifsd thread and thus causing an\nuse-after-free bug in __tree_connect_dfs_target().  Also, while at it,\nupdate status of IPC tcon on success and then avoid any extra tree\nconnects.","state":0,"publishedAt":"2025-12-30T12:23:22.335+00:00","modifiedAt":"2026-10-15T21:41:43.877+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                        \"fs/cifs/dfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e\",\n                            \"lessThan\": \"536ec71ba060a02fabe8e22cecb82fe7b3a8708b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e\",\n                            \"lessThan\": \"553476df55a111e6a66ad9155256aec0ec1b7ad0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e\",\n                            \"lessThan\": \"ee20d7c6100752eaf2409d783f4f1449c29ea33d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"81d583baa5f1abd73c755ce1992929debd20b687\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.15.81\",\n                            \"lessThan\": \"5.16\",\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                        \"fs/cifs/dfs.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.2.15\",\n                            \"lessThanOrEqual\": \"6.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.3.2\",\n                            \"lessThanOrEqual\": \"6.3.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/536ec71ba060a02fabe8e22cecb82fe7b3a8708b","https://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0","https://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54280","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54280","identifiers":["CVE-2023-54280"]},"retained":false,"historicalAffected":[]}],"coverage":[]}