Answer in brief
CVE-2026-53031 records a High severity (CVSS 7.8) vulnerability in bpf: Validate node_id in arena_alloc_pages(). 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.
CVSS is 7.8. 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 | >=317460317a02a1af512697e6e964298dedd8a163 <31d3b4b28e55835646d6829d60023f730dd34e85 || >=317460317a02a1af512697e6e964298dedd8a163 <e15900888c09480a4c632bc598f1c5bd39bed6d6 || >=317460317a02a1af512697e6e964298dedd8a163 <fb66e20130f95a93ffea1677252526a9e39170b2 || >=317460317a02a1af512697e6e964298dedd8a163 <2845989f2ebaf7848e4eccf9a779daf3156ea0a5 | 31d3b4b28e55835646d6829d60023f730dd34e85, e15900888c09480a4c632bc598f1c5bd39bed6d6, fb66e20130f95a93ffea1677252526a9e39170b2, 2845989f2ebaf7848e4eccf9a779daf3156ea0a5 |
| Linux/Linuxgeneric | 6.9 | Not reported |
Published upstream
Jun 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 24, 2026
In the Linux kernel, the following vulnerability has been resolved: bpf: Validate node_id in arena_alloc_pages() arena_alloc_pages() accepts a plain int node_id and forwards it through the entire allocation chain without any bounds checking. Validate node_id before passing it down the allocation chain in arena_alloc_pages().
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-53031 records a High severity (CVSS 7.8) vulnerability in bpf: Validate node_id in arena_alloc_pages(). 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.
CVSS is 7.8. 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 | >=317460317a02a1af512697e6e964298dedd8a163 <31d3b4b28e55835646d6829d60023f730dd34e85 || >=317460317a02a1af512697e6e964298dedd8a163 <e15900888c09480a4c632bc598f1c5bd39bed6d6 || >=317460317a02a1af512697e6e964298dedd8a163 <fb66e20130f95a93ffea1677252526a9e39170b2 || >=317460317a02a1af512697e6e964298dedd8a163 <2845989f2ebaf7848e4eccf9a779daf3156ea0a5 | 31d3b4b28e55835646d6829d60023f730dd34e85, e15900888c09480a4c632bc598f1c5bd39bed6d6, fb66e20130f95a93ffea1677252526a9e39170b2, 2845989f2ebaf7848e4eccf9a779daf3156ea0a5 |
| Linux/Linuxgeneric | 6.9 | Not reported |
Published upstream
Jun 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 24, 2026
In the Linux kernel, the following vulnerability has been resolved: bpf: Validate node_id in arena_alloc_pages() arena_alloc_pages() accepts a plain int node_id and forwards it through the entire allocation chain without any bounds checking. Validate node_id before passing it down the allocation chain in arena_alloc_pages().
Quoted source text, attributed separately from HOL analysis.