Home/CVE/Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentia
CVE

CVE-2022-21123

Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentia

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.

MEDIUM · CVSS 5.5 EPSS 0.00452
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-459Incomplete Cleanup
CWE-459Incomplete Cleanup
▤

Affected Products & Versions

9
xenall versions
fedoraproject fedoraall versions
intel sgx dcap< 1.14.100.3
intel sgx psw< 2.16.100.3
intel sgx psw< 2.17.100.3
intel sgx sdk< 2.16.100.3
intel sgx sdk< 2.17.100.3
vmware esxiall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighESXi Admin Permission Assigned To Account Via ESXCLI
productmediumESXi Storage Information Discovery Via ESXCLI
productmediumESXi Network Configuration Discovery Via ESXCLI
productmediumESXi VSAN Information Discovery Via ESXCLI
productmediumESXi System Information Discovery Via ESXCLI
productmediumESXi VM Kill Via ESXCLI
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jun 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
rhsaRHSA-2022:8267Low
rhsaRHSA-2022:8973Moderate
rhsaRHSA-2022:6460Moderate
rhsaRHSA-2022:7933Low
suse-csafopenSUSE-SU-2024:12219-1
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2022/06/16/1Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VNCZGI3TOSV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7F2D2L5KBS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7PZH6ZIABA/
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