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CVE-2022-2977

Public on 2022-09-14
Modified on 2024-05-06
Description

A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.

Severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2022-05-31 23:47 ALAS-2022-1591
Amazon Linux 2 - Core kernel 2024-06-06 20:17 ALAS2-2024-2569
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-06-29 23:21 ALAS2KERNEL-5.10-2023-036
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-07-24 19:53 ALAS2KERNEL-5.4-2024-076

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H