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UBUNTU-CVE-2021-33120 Moderate

UBUNTU-CVE-2021-33120

Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

Exploit probability Not scored
Published February 9, 2022
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:18.04:LTS intel-microcode

20 explicit affected versions

Ubuntu:20.04:LTS intel-microcode

11 explicit affected versions

Ubuntu:22.04:LTS intel-microcode

1 explicit affected versions

Ubuntu:Pro:14.04:LTS intel-microcode

22 explicit affected versions

Ubuntu:Pro:16.04:LTS intel-microcode

21 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities UBUNTU-CVE-2021-33120

Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.

View original source

05 / REFERENCES

Further evidence