Answer in brief
CVE-2026-74408 records a High severity (CVSS 8.8) vulnerability in wifi: ath9k: fix OOB access from firmware tx status queue ID. 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 8.8. 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 | >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54 || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <734db72d55ca578a344dfa33e30145032c074b25 || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <f5931d06b45ed402572bfe5832fff15864ef5481 || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <46ca1451f61b598f45cb5259e066d305444d95fc || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <a9e055ac62cb3fcea262d4b687ec73eed82b3379 || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <5435fd3edcb11c7cc4002847c83e9a50b49284dc || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <336d4c8cd9b1646060ee690c881d465dfc09c6c0 || >=fce041beb03f93c7a771f0b4b6c45bb71ef90901 <7ce2f118a2389e8f0a64068c6fe7cc7d40639be0 | fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54, 734db72d55ca578a344dfa33e30145032c074b25, f5931d06b45ed402572bfe5832fff15864ef5481, 46ca1451f61b598f45cb5259e066d305444d95fc, a9e055ac62cb3fcea262d4b687ec73eed82b3379, 5435fd3edcb11c7cc4002847c83e9a50b49284dc, 336d4c8cd9b1646060ee690c881d465dfc09c6c0, 7ce2f118a2389e8f0a64068c6fe7cc7d40639be0 |
| Linux/Linuxgeneric | 3.1 | Not reported |
Published upstream
Aug 15, 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 15, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx status queue ID ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array access. Add a bounds check on ts.qid before using it as an array index.
Quoted source text, attributed separately from HOL analysis.