nvme-multipath: set BLK_FEAT_ZONED only after the zone info is known
CVSS score
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EPSS probability
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Risk score
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Published
8 h ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%63
Short explanation
A vulnerability has been resolved in the Linux kernel nvme-multipath component regarding the setting of BLK_FEAT_ZONED prior to knowing zone information.
If the zone info query reports a zero zone size, the head still advertises the zoned capability with a zero zone size, which can lead to shifts during reporting zones or writing to the head.
What should be done?
- Follow the vendor advisory
- Apply Linux kernel updates
Chain of evidence and sources
Namespace başlığı, tahsis sırasında yalnızca komut seti tanımlayıcısına dayanarak zoned olarak işaretlenmektedir.
Zone bilgi sorgusu sıfır zone boyutu raporlarsa, raporlama veya yazma işlemleri ilog2(0) ile kayma yapar.
Show the technical text from the sources
In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: set BLK_FEAT_ZONED only after the zone info is known The namespace head is marked zoned at allocation time based only on the command set identifier. If the zone info query reports a zero zone size, the path namespace is registered without zoned limits while the head still advertises the zoned capability with a zone size of zero, and reporting zones or writing to the head then shifts by ilog2(0). Drop the zoned feature from the head allocation and let the head limits refresh stack it in from the path namespace instead.
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
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SCORING: CVSS from Multiple Sources
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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-2026-98727 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-2026-98727 weaknesses.
Official Sources and Advisories
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