Answer in brief
CVE-2026-43321 records a Unknown severity vulnerability in bpf: Properly mark live registers for indirect jumps. 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 | >=493d9e0d608339a32f568504d5fd411a261bb0af <7beae54111c34ca63357ef120e115889b915beb5 || >=493d9e0d608339a32f568504d5fd411a261bb0af <d1aab1ca576c90192ba961094d51b0be6355a4d6 | 7beae54111c34ca63357ef120e115889b915beb5, d1aab1ca576c90192ba961094d51b0be6355a4d6 |
| Linux/Linuxgeneric | 6.19 | Not reported |
Published upstream
May 8, 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: bpf: Properly mark live registers for indirect jumps For a `gotox rX` instruction the rX register should be marked as used in the compute_insn_live_regs() function. Fix this.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-43321 records a Unknown severity vulnerability in bpf: Properly mark live registers for indirect jumps. 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 | >=493d9e0d608339a32f568504d5fd411a261bb0af <7beae54111c34ca63357ef120e115889b915beb5 || >=493d9e0d608339a32f568504d5fd411a261bb0af <d1aab1ca576c90192ba961094d51b0be6355a4d6 | 7beae54111c34ca63357ef120e115889b915beb5, d1aab1ca576c90192ba961094d51b0be6355a4d6 |
| Linux/Linuxgeneric | 6.19 | Not reported |
Published upstream
May 8, 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: bpf: Properly mark live registers for indirect jumps For a `gotox rX` instruction the rX register should be marked as used in the compute_insn_live_regs() function. Fix this.
Quoted source text, attributed separately from HOL analysis.