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CVE-2022-2977

Date: September 14, 2022

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 Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2022-2977
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-2977
https://access.redhat.com/security/cve/CVE-2022-2977
https://nvd.nist.gov/vuln/detail/CVE-2022-2977
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470f
https://security.netapp.com/advisory/ntap-20230214-0006/
https://www.mend.io/vulnerability-database/CVE-2022-2977

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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