{"id":"CVE-2023-54042","summary":"powerpc/64s: Fix VAS mm use after free","details":"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.","modified":"2026-03-31T17:29:25.142155Z","published":"2025-12-24T10:56:07.565Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0293-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0617-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54042.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331"},{"type":"WEB","url":"https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54042.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54042"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85"},{"fixed":"f7d92313002b2d543500cc417d8079aaed1fb0a8"},{"fixed":"4e82f92c349ea603736ade1e814861c0182a55ad"},{"fixed":"db8657fdd53c5e3069149d7f957cb60e63027bb2"},{"fixed":"421cd1544480f2458042fe7f4913a2069c4d7251"},{"fixed":"b4bda59b47879cce38a6ec5a01cd3cac702b5331"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54042.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.14.0"},{"fixed":"5.15.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.4.0"},{"fixed":"6.4.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54042.json"}}],"schema_version":"1.7.5"}