{"id":"CVE-2023-54042","revision":"ac6e12bf419f43e2a8180b062cccbd49","records":[{"revision":"ac6e12bf419f43e2a8180b062cccbd49","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54042","aliases":[],"title":"powerpc/64s: Fix VAS mm use after free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/64s: Fix VAS mm use after free\n\nThe refcount on mm is dropped before the coprocessor is detached.","state":0,"publishedAt":"2025-12-24T10:56:07.565+00:00","modifiedAt":"2026-10-15T21:41:38.268+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/powerpc/platforms/powernv/vas-window.c\",\n                        \"arch/powerpc/platforms/pseries/vas.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85\",\n                            \"lessThan\": \"f7d92313002b2d543500cc417d8079aaed1fb0a8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85\",\n                            \"lessThan\": \"4e82f92c349ea603736ade1e814861c0182a55ad\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85\",\n                            \"lessThan\": \"db8657fdd53c5e3069149d7f957cb60e63027bb2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85\",\n                            \"lessThan\": \"421cd1544480f2458042fe7f4913a2069c4d7251\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85\",\n                            \"lessThan\": \"b4bda59b47879cce38a6ec5a01cd3cac702b5331\",\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/powerpc/platforms/powernv/vas-window.c\",\n                        \"arch/powerpc/platforms/pseries/vas.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.121\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.39\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.3.13\",\n                            \"lessThanOrEqual\": \"6.3.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4.4\",\n                            \"lessThanOrEqual\": \"6.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.5\",\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:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8","https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad","https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2","https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251","https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54042","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54042","identifiers":["CVE-2023-54042"]},"retained":false,"historicalAffected":[]}],"coverage":[]}