net: systemport: Fix buffer overflow in bcm_sysport_get_stats()
CVSS score
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EPSS probability
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Risk score
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Published
9 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 buffer overflow and memory corruption vulnerability was identified in the Linux kernel bcm_sysport_get_stats() function due to incorrect index usage when skipping unsupported statistics on SYSTEMPORT Lite.
This vulnerability can lead to memory corruption within the target kernel, causing instability or potential security issues.
What should be done?
- Follow vendor advisories
- Apply relevant kernel updates
Chain of evidence and sources
bcm_sysport_get_stats() fonksiyonundaki indeksleme hatası bellek bozulmasına yol açar.
Sorun, SYSTEMPORT Lite üzerinde desteklenmeyen istatistiklerin atlanması sırasında ortaya çıkar.
Show the technical text from the sources
In the Linux kernel, the following vulnerability has been resolved: net: systemport: Fix buffer overflow in bcm_sysport_get_stats() When running on SYSTEMPORT Lite, certain statistics are unsupported and skipped during bcm_sysport_get_stats(). The variable 'j' tracks the compacted index into the destination data buffer, whereas 'i' iterates over all elements in bcm_sysport_gstrings_stats. Because the buffer allocated by ethtool is sized only according to bcm_sysport_get_sset_count(), storing values at data[i] instead of data[j] writes past the allocated array bounds, leading to memory corruption. Fix this by writing to data[j] instead of data[i].
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-2026-98808 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-2026-98808 weaknesses.
Official Sources and Advisories
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