Vulnerability · Published Feb 9, 2022 · Assigned by intel
CVE-2021-33120
Medium 5.4
In plain English
A medium-severity out-of-bounds read in Intel Atom(R) Processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.9%top 38.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | intel-microcode | 3.20220207.1 | DEBIAN-CVE-2021-33120 |
| Debian:13 | intel-microcode | 3.20220207.1 | DEBIAN-CVE-2021-33120 |
| Debian:14 | intel-microcode | 3.20220207.1 | DEBIAN-CVE-2021-33120 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20220510.0ubuntu0.22.04.1 | USN-5486-1 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20220510.0ubuntu0.22.04.1 | UBUNTU-CVE-2021-33120 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel Atom(R) Processors | See references |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L