rtc: spear: initialize IRQ state before requesting alarm IRQ
CVSS score
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EPSS probability
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Risk score
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Published
16 h ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
A vulnerability has been resolved in the Linux kernel affecting the rtc: spear subsystem [S0].
The IRQ state must be initialized before requesting the alarm IRQ, otherwise the handler may run [S0].
What should be done?
- Follow vendor advisories.
Chain of evidence and sources
devm_request_irq() fonksiyonu kesintiyi dönmeden önce etkinleştirir ve işleyicinin erken çalışmasına yol açabilir [S0].
MMIO adresi ve spinlock, alarm IRQ talep edilmeden önce başlatılmalıdır [S0].
Show the technical text from the sources
In the Linux kernel, the following vulnerability has been resolved: rtc: spear: initialize IRQ state before requesting alarm IRQ devm_request_irq() enables the interrupt before it returns, so the handler may run while probe is still initializing the device. Initialize the MMIO address and spinlock before requesting the alarm IRQ.
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
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| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-98847 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-98847 weaknesses.
Official Sources and Advisories
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