Vulnerability · CVE-2022-21123
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Published Jun 15, 2022 · catalog updated Oct 14, 2026 · Incomplete cleanup of multi-core
Check if you run it
No confirmed exploitation is on record for CVE-2022-21123. EPSS is 6.87%. Act only if a listed version of Incomplete cleanup of multi-core is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Incomplete cleanup of multi-core).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 6.87%
- Remediation
- Advisory link
- Affected products
- cpe debian/debian linux · cpe fedoraproject/fedora · cpe intel/sgx dcap · cpe intel/sgx psw · cpe intel/sgx sdk · cpe vmware/esxi
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe debian/debian linux9.0
- cpe fedoraproject/fedora35
- cpe fedoraproject/fedora36
- cpe intel/sgx dcapversion unspecified
- cpe intel/sgx pswversion unspecified
- cpe intel/sgx sdkversion unspecified
- cpe vmware/esxi7.0
- cpe xen/xenversion unspecified
How to fix CVE-2022-21123
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2022-21123. EPSS is 6.87%. Act only if a listed version of Incomplete cleanup of multi-core is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 9.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-459. EPSS 6.87%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 15, 2022 · NIST NVD
Detected
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Oct 14, 2026 · NIST NVD
Updated
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Sources
- CVE.orgVulnerability recordCVE-2022-21123
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2022-21123
30-day exploitation probability 6.9%
first.org - NIST NVDVulnerability recordCVE-2022-21123
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.