CVE-2026-45900

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45900", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.083Z", "datePublished": "2026-05-27T12:17:09.109Z", "dateUpdated": "2026-05-27T12:17:09.109Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:17:09.109Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/caam/caamalg_qi2.c", "drivers/crypto/caam/caamalg_qi2.h"], "versions": [{"version": "0e1a4d427f58b843864d835ccb79c32a118c6a77", "lessThan": "d5c6f254528caf78d5de7d9646dc21c81d351827", "status": "affected", "versionType": "git"}, {"version": "0e1a4d427f58b843864d835ccb79c32a118c6a77", "lessThan": "d7decb572b55d2af33e59e9858fcee5d9ae69175", "status": "affected", "versionType": "git"}, {"version": "0e1a4d427f58b843864d835ccb79c32a118c6a77", "lessThan": "e144cce29851610ce9c6eda405ce21118779aa51", "status": "affected", "versionType": "git"}, {"version": "0e1a4d427f58b843864d835ccb79c32a118c6a77", "lessThan": "7d43252b3060b0ba4a192dce5dba85a3f39ffe39", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/caam/caamalg_qi2.c", "drivers/crypto/caam/caamalg_qi2.h"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.11", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.0"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A05DCA5C-0E7E-47B5-899A-41DDF296199E", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-45900", "lastModified": "2026-06-24T16:35:57.417", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-27T14:17:04.360", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d43252b3060b0ba4a192dce5dba85a3f39ffe39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d5c6f254528caf78d5de7d9646dc21c81d351827"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7decb572b55d2af33e59e9858fcee5d9ae69175"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e144cce29851610ce9c6eda405ce21118779aa51"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: crypto: caam - fix netdev memory leak in dpaa2_caam_probe", "id": "2482044", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482044"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's crypto: caam module. When the dpaa2_caam_probe function attempts to set up network devices (netdevs) and the dpaa2_dpseci_dpio_setup() function fails, the allocated netdevs are not properly freed. This oversight in the error handling can lead to memory leaks, potentially impacting system stability and resource availability."], "name": "CVE-2026-45900", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45900\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45900\nhttps://lore.kernel.org/linux-cve-announce/2026052719-CVE-2026-45900-f587@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0e1a4d427f58b843864d835ccb79c32a118c6a77,d5c6f254528caf78d5de7d9646dc21c81d351827)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0e1a4d427f58b843864d835ccb79c32a118c6a77,d7decb572b55d2af33e59e9858fcee5d9ae69175)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0e1a4d427f58b843864d835ccb79c32a118c6a77,e144cce29851610ce9c6eda405ce21118779aa51)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0e1a4d427f58b843864d835ccb79c32a118c6a77,7d43252b3060b0ba4a192dce5dba85a3f39ffe39)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T18:30:26.715453+00:00", "updated": "2026-05-28T13:45:14.018671+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401", "CWE-772"]}