vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-3543): Linux kernel vulnerabilities

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Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jun 1, 2021
Added
Jun 23, 2021
Modified
Mar 22, 2023

Description

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.

Solution(s)

ubuntu-upgrade-linux-image-5-10-0-1033-oemubuntu-upgrade-linux-image-5-11-0-1009-azureubuntu-upgrade-linux-image-5-11-0-1009-kvmubuntu-upgrade-linux-image-5-11-0-1010-oracleubuntu-upgrade-linux-image-5-11-0-1011-awsubuntu-upgrade-linux-image-5-11-0-1011-gcpubuntu-upgrade-linux-image-5-11-0-1012-raspiubuntu-upgrade-linux-image-5-11-0-1012-raspi-nolpaeubuntu-upgrade-linux-image-5-11-0-22-genericubuntu-upgrade-linux-image-5-11-0-22-generic-64kubuntu-upgrade-linux-image-5-11-0-22-generic-lpaeubuntu-upgrade-linux-image-5-11-0-22-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-virtual

References

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