{"api_version":"1","generated_at":"2026-05-28T00:40:46+00:00","cve":"CVE-2026-45900","urls":{"html":"https://cve.report/CVE-2026-45900","api":"https://cve.report/api/cve/CVE-2026-45900.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45900","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45900"},"summary":{"title":"crypto: caam - fix netdev memory leak in dpaa2_caam_probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - fix netdev memory leak in dpaa2_caam_probe\n\nWhen commit 0e1a4d427f58 (\"crypto: caam: Unembed net_dev structure in\ndpaa2\") converted embedded net_device to dynamically allocated pointers,\nit added cleanup in dpaa2_dpseci_disable() but missed adding cleanup in\ndpaa2_dpseci_free() for error paths.\n\nThis causes memory leaks when dpaa2_dpseci_dpio_setup() fails during probe\ndue to DPIO devices not being ready yet. The kernel's deferred probe\nmechanism handles the retry successfully, but the netdevs allocated during\nthe failed probe attempt are never freed, resulting in kmemleak reports\nshowing multiple leaked netdev-related allocations all traced back to\ndpaa2_caam_probe().\n\nFix this by preserving the CPU mask of allocated netdevs during setup and\nusing it for cleanup in dpaa2_dpseci_free(). This approach ensures that\nonly the CPUs that actually had netdevs allocated will be cleaned up,\navoiding potential issues with CPU hotplug scenarios.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:04","updated_at":"2026-05-27 14:48:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7d43252b3060b0ba4a192dce5dba85a3f39ffe39","name":"https://git.kernel.org/stable/c/7d43252b3060b0ba4a192dce5dba85a3f39ffe39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5c6f254528caf78d5de7d9646dc21c81d351827","name":"https://git.kernel.org/stable/c/d5c6f254528caf78d5de7d9646dc21c81d351827","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e144cce29851610ce9c6eda405ce21118779aa51","name":"https://git.kernel.org/stable/c/e144cce29851610ce9c6eda405ce21118779aa51","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d7decb572b55d2af33e59e9858fcee5d9ae69175","name":"https://git.kernel.org/stable/c/d7decb572b55d2af33e59e9858fcee5d9ae69175","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45900","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45900","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e1a4d427f58b843864d835ccb79c32a118c6a77 d5c6f254528caf78d5de7d9646dc21c81d351827 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e1a4d427f58b843864d835ccb79c32a118c6a77 d7decb572b55d2af33e59e9858fcee5d9ae69175 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e1a4d427f58b843864d835ccb79c32a118c6a77 e144cce29851610ce9c6eda405ce21118779aa51 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0e1a4d427f58b843864d835ccb79c32a118c6a77 7d43252b3060b0ba4a192dce5dba85a3f39ffe39 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.14 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/caam/caamalg_qi2.c","drivers/crypto/caam/caamalg_qi2.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d5c6f254528caf78d5de7d9646dc21c81d351827","status":"affected","version":"0e1a4d427f58b843864d835ccb79c32a118c6a77","versionType":"git"},{"lessThan":"d7decb572b55d2af33e59e9858fcee5d9ae69175","status":"affected","version":"0e1a4d427f58b843864d835ccb79c32a118c6a77","versionType":"git"},{"lessThan":"e144cce29851610ce9c6eda405ce21118779aa51","status":"affected","version":"0e1a4d427f58b843864d835ccb79c32a118c6a77","versionType":"git"},{"lessThan":"7d43252b3060b0ba4a192dce5dba85a3f39ffe39","status":"affected","version":"0e1a4d427f58b843864d835ccb79c32a118c6a77","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/caam/caamalg_qi2.c","drivers/crypto/caam/caamalg_qi2.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - fix netdev memory leak in dpaa2_caam_probe\n\nWhen commit 0e1a4d427f58 (\"crypto: caam: Unembed net_dev structure in\ndpaa2\") converted embedded net_device to dynamically allocated pointers,\nit added cleanup in dpaa2_dpseci_disable() but missed adding cleanup in\ndpaa2_dpseci_free() for error paths.\n\nThis causes memory leaks when dpaa2_dpseci_dpio_setup() fails during probe\ndue to DPIO devices not being ready yet. The kernel's deferred probe\nmechanism handles the retry successfully, but the netdevs allocated during\nthe failed probe attempt are never freed, resulting in kmemleak reports\nshowing multiple leaked netdev-related allocations all traced back to\ndpaa2_caam_probe().\n\nFix this by preserving the CPU mask of allocated netdevs during setup and\nusing it for cleanup in dpaa2_dpseci_free(). This approach ensures that\nonly the CPUs that actually had netdevs allocated will be cleaned up,\navoiding potential issues with CPU hotplug scenarios."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:17:09.109Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d5c6f254528caf78d5de7d9646dc21c81d351827"},{"url":"https://git.kernel.org/stable/c/d7decb572b55d2af33e59e9858fcee5d9ae69175"},{"url":"https://git.kernel.org/stable/c/e144cce29851610ce9c6eda405ce21118779aa51"},{"url":"https://git.kernel.org/stable/c/7d43252b3060b0ba4a192dce5dba85a3f39ffe39"}],"title":"crypto: caam - fix netdev memory leak in dpaa2_caam_probe","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45900","datePublished":"2026-05-27T12:17:09.109Z","dateReserved":"2026-05-13T15:03:33.083Z","dateUpdated":"2026-05-27T12:17:09.109Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:04","lastModifiedDate":"2026-05-27 14:48:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45900","Ordinal":"1","Title":"crypto: caam - fix netdev memory leak in dpaa2_caam_probe","CVE":"CVE-2026-45900","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45900","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: caam - fix netdev memory leak in dpaa2_caam_probe\n\nWhen commit 0e1a4d427f58 (\"crypto: caam: Unembed net_dev structure in\ndpaa2\") converted embedded net_device to dynamically allocated pointers,\nit added cleanup in dpaa2_dpseci_disable() but missed adding cleanup in\ndpaa2_dpseci_free() for error paths.\n\nThis causes memory leaks when dpaa2_dpseci_dpio_setup() fails during probe\ndue to DPIO devices not being ready yet. The kernel's deferred probe\nmechanism handles the retry successfully, but the netdevs allocated during\nthe failed probe attempt are never freed, resulting in kmemleak reports\nshowing multiple leaked netdev-related allocations all traced back to\ndpaa2_caam_probe().\n\nFix this by preserving the CPU mask of allocated netdevs during setup and\nusing it for cleanup in dpaa2_dpseci_free(). This approach ensures that\nonly the CPUs that actually had netdevs allocated will be cleaned up,\navoiding potential issues with CPU hotplug scenarios.","Type":"Description","Title":"crypto: caam - fix netdev memory leak in dpaa2_caam_probe"}]}}}