Resource exhaustion in Intel Software Guard Extensions
CVE-2021-33135
Uncontrolled resource consumption in the Linux kernel drivers for Intel(R) SGX may allow an authenticated user to potentially enable denial of service via local access.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Intel Software Guard Extensions
- Intel(r) Sgx — versions See references
Weakness classification (CWE)
References
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00603.html (Product, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-33135?
- CVE-2021-33135 is a medium-severity vulnerability in Intel Software Guard Extensions, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2022-05-12.
- How severe is CVE-2021-33135?
- Medium severity. CVSS v3 base score is 5.5 out of 10.