{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53097","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-02T15:51:43.552Z","datePublished":"2025-05-02T15:55:40.928Z","dateUpdated":"2026-05-11T19:38:28.302Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:38:28.302Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time.  To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic\nat once."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/kernel/iommu.c"],"versions":[{"version":"691602aab9c3cce31d3ff9529c09b7922a5f6224","lessThan":"e3a62a35f903fd8be5b44542fe3901ec45f16757","status":"affected","versionType":"git"},{"version":"691602aab9c3cce31d3ff9529c09b7922a5f6224","lessThan":"24c1bd1cd0d1ff821fd7d2f01a1e648c7882dfc2","status":"affected","versionType":"git"},{"version":"691602aab9c3cce31d3ff9529c09b7922a5f6224","lessThan":"4050498c0ae3946c223fc63e9dd7b878b76611e0","status":"affected","versionType":"git"},{"version":"691602aab9c3cce31d3ff9529c09b7922a5f6224","lessThan":"b505063910c134778202dfad9332dfcecb76bab3","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/kernel/iommu.c"],"versions":[{"version":"5.12","status":"affected"},{"version":"0","lessThan":"5.12","status":"unaffected","versionType":"semver"},{"version":"5.15.103","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.20","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.7","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","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":"5.12","versionEndExcluding":"5.15.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e3a62a35f903fd8be5b44542fe3901ec45f16757"},{"url":"https://git.kernel.org/stable/c/24c1bd1cd0d1ff821fd7d2f01a1e648c7882dfc2"},{"url":"https://git.kernel.org/stable/c/4050498c0ae3946c223fc63e9dd7b878b76611e0"},{"url":"https://git.kernel.org/stable/c/b505063910c134778202dfad9332dfcecb76bab3"}],"title":"powerpc/iommu: fix memory leak with using debugfs_lookup()","x_generator":{"engine":"bippy-1.2.0"}}}}