CVE-2022-2977
HIGH
7.8
CVSS Score
Published: September 14, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:42 AM UTC
2 products affected across 2 vendorsLinux KernelKernel
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
4.12 ≤ v < 4.14.2764.15 ≤ v < 4.19.2384.20 ≤ v < 5.4.1895.11 ≤ v < 5.15.335.16 ≤ v < 5.16.195.17 ≤ v < 5.17.15.5 ≤ v < 5.10.110
Affected range stops below 4.14.276, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.238, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.110, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.33, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.16.19, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.17.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.189, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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