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CVE

CVE-2022-40982

Information exposure through microarchitectural state after transient execution in certain vector execution units for so

Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

MEDIUM · CVSS 6.5 EPSS 0.00733
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1342Information Exposure through Microarchitectural State after Transient Execution
CWE-203Observable Discrepancy
▤

Affected Products & Versions

57
redhat enterprise linuxall versions
xenall versions
intel microcode< 20230808
intel xeon e-2314 firmwareall versions
intel xeon e-2324g firmwareall versions
intel xeon e-2334 firmwareall versions
intel xeon e-2374g firmwareall versions
intel xeon e-2336 firmwareall versions
⚠

Public Exploits & PoCs

2
pocwww.intel.com · intel-sa-00828.htmlwww.intel.com
pocdownfall.pagedownfall.page
▣

Scoring & Timeline

6.5
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 NVD11 Aug 2023 · 03:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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-2023:6583Moderate
rhsaRHSA-2023:7077Moderate
rhsaRHSA-2023:7539Low
rhsaRHSA-2023:7370Low
rhsaRHSA-2024:0412Moderate
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/solutions/7027704Third Party Advisory
https://aws.amazon.com/security/security-bulletins/AWS-2023-007/Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00013.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKREYYTWUY7ZDNIB2N6H5BUJ3LE5VZPE/
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