A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-26854 A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.
Ubuntu USN Ubuntu USN USN-4997-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4997-2 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5001-1 Linux kernel (OEM) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:01:07.979Z

Reserved: 2021-05-10T00:00:00

Link: CVE-2021-3543

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-01T14:15:10.407

Modified: 2024-11-21T06:21:48.200

Link: CVE-2021-3543

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-04-29T00:00:00Z

Links: CVE-2021-3543 - Bugzilla

cve-icon OpenCVE Enrichment

No data.