Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th…
Priority LOW 25CWE-1245Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00226 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | 4th and 5th Generation Intel(R) Xeon(R) Processors | See references | — | No fix listed | CNA |
- 4th and 5th Generation Intel(R) Xeon(R) Processors Vendor— Affected See references Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21853
- 2026-10-03 Alias added: GHSA-f58g-ghv3-pqv3
References
Sources
- CVE-2024-21853 · CVE Program
- CVE-2024-21853 · NVD
- FIRST EPSS
- GHSA-f58g-ghv3-pqv3 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-21853 · Red Hat security data · CC BY 4.0
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