CVE-2021-26307
MEDIUM
5.5
CVSS Score
Published: January 29, 2021 at 02:27 AM UTC
Updated: June 17, 2026 at 03:43 AM UTC
1 product affected across 1 vendorRaw Cpuid
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
Description
An issue was discovered in the raw-cpuid crate before 9.0.0 for Rust. It allows __cpuid_count() calls even if the processor does not support the CPUID instruction, which is unsound and causes a deterministic crash.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 9.0.0
Affected range stops below 9.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCExploitVendor Advisory
Source: [email protected]
https://rustsec.org/advisories/RUSTSEC-2021-0013.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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