Answer in brief
CVE-2026-64353 records a Unknown severity vulnerability in bpf: Keep dynamic inner array lookups nullable. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <0b92ad64d6e4bde85e6b9888404f9a7a2b65d269 || >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <d57db0d975053e01410c54e708a85b6d32ef2ebd || >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <53040a81ae57cdca8af8ac36fe4e661730cf7c6b | 0b92ad64d6e4bde85e6b9888404f9a7a2b65d269, d57db0d975053e01410c54e708a85b6d32ef2ebd, 53040a81ae57cdca8af8ac36fe4e661730cf7c6b |
| Linux/Linuxgeneric | 6.14 | Not reported |
Published upstream
Jul 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 11, 2026
In the Linux kernel, the following vulnerability has been resolved: bpf: Keep dynamic inner array lookups nullable An ARRAY_OF_MAPS can use an array created with BPF_F_INNER_MAP as its inner map template. A concrete inner array with a different max_entries value can then replace the template. After a successful outer map lookup, the verifier represents the resulting map pointer using the inner map template. Const-key lookup nullness elision consequently uses the template max_entries even though the runtime helper uses the concrete inner map max_entries. Do not elide lookup result nullness for maps marked with BPF_F_INNER_MAP, because the template max_entries does not prove that the key is in bounds for the concrete runtime map.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-64353 records a Unknown severity vulnerability in bpf: Keep dynamic inner array lookups nullable. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <0b92ad64d6e4bde85e6b9888404f9a7a2b65d269 || >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <d57db0d975053e01410c54e708a85b6d32ef2ebd || >=d2102f2f5d75a84dbab6ff890359f0bd4a18ca22 <53040a81ae57cdca8af8ac36fe4e661730cf7c6b | 0b92ad64d6e4bde85e6b9888404f9a7a2b65d269, d57db0d975053e01410c54e708a85b6d32ef2ebd, 53040a81ae57cdca8af8ac36fe4e661730cf7c6b |
| Linux/Linuxgeneric | 6.14 | Not reported |
Published upstream
Jul 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 11, 2026
In the Linux kernel, the following vulnerability has been resolved: bpf: Keep dynamic inner array lookups nullable An ARRAY_OF_MAPS can use an array created with BPF_F_INNER_MAP as its inner map template. A concrete inner array with a different max_entries value can then replace the template. After a successful outer map lookup, the verifier represents the resulting map pointer using the inner map template. Const-key lookup nullness elision consequently uses the template max_entries even though the runtime helper uses the concrete inner map max_entries. Do not elide lookup result nullness for maps marked with BPF_F_INNER_MAP, because the template max_entries does not prove that the key is in bounds for the concrete runtime map.
Quoted source text, attributed separately from HOL analysis.