CVE-2022-21123
MEDIUMCVSS 5.5/10EPSS 6.28%
Last modified
CVE-2022-21123 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 6.28% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | All versions |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
| 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 | Esxi | 7.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- http://www.openwall.com/lists/oss-security/2022/06/16/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-23Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220624-0008/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
- https://www.debian.org/security/2022/dsa-5178Third Party Advisory
- https://www.debian.org/security/2022/dsa-5184Third Party Advisory
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.htmlPatch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2022/06/16/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-23Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220624-0008/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5173Third Party Advisory
- https://www.debian.org/security/2022/dsa-5178Third Party Advisory
- https://www.debian.org/security/2022/dsa-5184Third Party Advisory
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-21123?
CVE-2022-21123 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 6.28% probability of exploitation in the next 30 days.
How do I fix CVE-2022-21123?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-21123?
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