CVE-2022-46487

7.8 highEPSS 0.6%

Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-665
Published: 2023-12-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

scontain:scone

References

https://jovanbulck.github.io/files/acsac20-fpu.pdf
https://jovanbulck.github.io/files/oakland24-pandora.pdf
https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitle
https://nvd.nist.gov/vuln/detail/CVE-2020-15107
https://sconedocs.github.io/release5.7/

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