Answer in brief
CVE-2026-43208 records a Critical severity (CVSS 9.8) vulnerability in net: do not pass flow_id to set_rps_cpu(). 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 9.8. 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 | 6.18 | Not reported |
| Linux/Linuxgeneric | >=48aa30443e52c9666d5cd5e67532e475f212337e <5455a232edea6b946b99449f15ca771a8874a5a6 || >=48aa30443e52c9666d5cd5e67532e475f212337e <ed712dc0d64dee5f0d05e4d8ca57711f8a9c850c || >=48aa30443e52c9666d5cd5e67532e475f212337e <8a8a9fac9efa6423fd74938b940cb7d731780718 | 5455a232edea6b946b99449f15ca771a8874a5a6, ed712dc0d64dee5f0d05e4d8ca57711f8a9c850c, 8a8a9fac9efa6423fd74938b940cb7d731780718 |
Published upstream
May 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: net: do not pass flow_id to set_rps_cpu() Blamed commit made the assumption that the RPS table for each receive queue would have the same size, and that it would not change. Compute flow_id in set_rps_cpu(), do not assume we can use the value computed by get_rps_cpu(). Otherwise we risk out-of-bound access and/or crashes.
Quoted source text, attributed separately from HOL analysis.