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ubuntucveUbuntu.comUB:CVE-2022-21505
HistoryJul 19, 2022 - 12:00 a.m.

CVE-2022-21505

2022-07-1900:00:00
ubuntu.com
ubuntu.com
22
JSON

Kernel lockdown bypass when UEFI secure boot is disabled / unavailable and
IMA appraisal is enabled.

Bugs

Notes

Author Note
alexmurray This only allows to bypass kernel lockdown when secure boot is disabled - affects upstream kernels since 5.4
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-128.144UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-50.56UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1086.93UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1021.25UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1021.25~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1086.93~18.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1094.100UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1021.26UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1021.26~20.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-5.4< 5.4.0-1094.100~18.04.1UNKNOWN
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JSON
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