CVE-2022-0001

CVE-2022-0001 is a medium-severity vulnerability in Intel Atom P5921b with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 3.x base score 6.5)
• CVSS v2: 2.1
• EPSS exploit prediction: 1% (40th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Intel Atom P5921b
• Published: 2022-03-11
• Last modified: 2026-06-17

Description

Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2022-0001?

Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

How severe is CVE-2022-0001?

CVE-2022-0001 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-0001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0001?

CVE-2022-0001 primarily affects Intel Atom P5921b. In total, 458 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-0001?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-0001 published?

CVE-2022-0001 was published on 2022-03-11 and last updated on 2026-06-17.

References

• http://www.openwall.com/lists/oss-security/2022/03/18/2
• https://security.netapp.com/advisory/ntap-20220818-0004/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html
• https://www.kb.cert.org/vuls/id/155143
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://www.vicarius.io/vsociety/posts/cve-2022-0001-detect-specter-vulnerability?prevUrl=wizard
• https://www.vicarius.io/vsociety/posts/cve-2022-0001-mitigate-specter-vulnerability?prevUrl=wizard

Affected products (458)

• cpe:2.3:h:intel:atom_p5921b:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_p5931b:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_p5942b:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_p5962b:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6200fe:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6211e:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6212re:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6413e:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6425e:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6425re:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:atom_x6427fe:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_5305u:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_6305:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_6305e:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_6600he:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5205u:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5305u:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5900:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5900t:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5905:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5905t:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5920:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g5925:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g6900:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_g6900t:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_j4005:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_j4025:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_j4105:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_j4125:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_j6413:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4000:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4020:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4100:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4120:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4500:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n4504:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n5100:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n5105:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:celeron_n6211:-:*:*:*:*:*:*:*
• cpe:2.3:h:intel:core_i3-1000g1:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Atom P5921b

• CVE-2022-0002 — Medium (CVSS 6.5): Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user…

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