{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54042","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T10:53:46.181Z","datePublished":"2025-12-24T10:56:07.565Z","dateUpdated":"2026-05-11T19:54:22.376Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:54:22.376Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/powernv/vas-window.c","arch/powerpc/platforms/pseries/vas.c"],"versions":[{"version":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85","lessThan":"f7d92313002b2d543500cc417d8079aaed1fb0a8","status":"affected","versionType":"git"},{"version":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85","lessThan":"4e82f92c349ea603736ade1e814861c0182a55ad","status":"affected","versionType":"git"},{"version":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85","lessThan":"db8657fdd53c5e3069149d7f957cb60e63027bb2","status":"affected","versionType":"git"},{"version":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85","lessThan":"421cd1544480f2458042fe7f4913a2069c4d7251","status":"affected","versionType":"git"},{"version":"7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85","lessThan":"b4bda59b47879cce38a6ec5a01cd3cac702b5331","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/powernv/vas-window.c","arch/powerpc/platforms/pseries/vas.c"],"versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","status":"unaffected","versionType":"semver"},{"version":"5.15.121","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.39","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.3.13","lessThanOrEqual":"6.3.*","status":"unaffected","versionType":"semver"},{"version":"6.4.4","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.3.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.4.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f7d92313002b2d543500cc417d8079aaed1fb0a8"},{"url":"https://git.kernel.org/stable/c/4e82f92c349ea603736ade1e814861c0182a55ad"},{"url":"https://git.kernel.org/stable/c/db8657fdd53c5e3069149d7f957cb60e63027bb2"},{"url":"https://git.kernel.org/stable/c/421cd1544480f2458042fe7f4913a2069c4d7251"},{"url":"https://git.kernel.org/stable/c/b4bda59b47879cce38a6ec5a01cd3cac702b5331"}],"title":"powerpc/64s: Fix VAS mm use after free","x_generator":{"engine":"bippy-1.2.0"}}}}