CVE-2026-28529

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.14]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "cryptodev-linux", "source": "cna", "vendor": "cryptodev-linux"}, "product": "cryptodev-linux", "vendor": "cryptodev-linux"}], "analysis": {"en": {"generated_at": "2026-03-25T14:36:37.786426+00:00", "value": {"mitigation_remediation": ["Update to cryptodev-linux version 1.15 or later, if available. If a newer release is not yet available, apply the patch referenced in the pull request linked in the advisory."], "summary": {"action": "Immediate Patch", "impact": "Local Privilege Escalation"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the cryptodev-linux package from the cryptodev-linux vendor. Any installation of cryptodev-linux version 1.14 or earlier is impacted. The driver exposes its functionality through the /dev/crypto interface, which is commonly used by local applications for cryptographic operations.", "description_and_impact": "cryptodev-linux drivers version 1.14 and earlier contain a page reference handling flaw in the get_userbuf function. The error allows the driver to decrement reference counts of pages multiple times, resulting in a use\u2011after\u2011free condition. This flaw is mapped to CWE\u2011416 and can be exploited by a local user to gain elevated privileges on the system.", "risk_and_exploitability": "The CVSS score of 8.5 indicates a high severity condition. Although the EPSS score is not available, the lack of a CISA KEV listing does not diminish the potential for exploitation. Attackers only need local access to the /dev/crypto interface, a condition that is likely satisfied on most systems using the driver. Successful exploitation results in local privilege escalation, potentially allowing the attacker to execute arbitrary code with elevated permissions."}}}}, "created": "2026-03-25T21:31:17.277747+00:00", "updated": "2026-03-26T11:43:14.488086+00:00", "vendors": ["cryptodev-linux", "cryptodev-linux$PRODUCT$cryptodev-linux"]}