Answer in brief
CVE-2026-74304 records a Unknown severity vulnerability in Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device. 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 | >=22d893eec0d52fa97d25d3de248285648f26ef68 <0704c04769ccc1a0939682db35d816dfa5fe75dc || >=22d893eec0d52fa97d25d3de248285648f26ef68 <3ec629fee178d429f01ae843e4ea888de93012bf | 0704c04769ccc1a0939682db35d816dfa5fe75dc, 3ec629fee178d429f01ae843e4ea888de93012bf |
| Linux/Linuxgeneric | 7.0 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 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: Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device hu->serdev is NULL for hci_uart attached via non-serdev paths, but qca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev) and dereferences the result, causing a NULL pointer dereference. Fix by guarding the dereference with a NULL check, consistent with the rest of qca_setup().
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-74304 records a Unknown severity vulnerability in Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device. 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 | >=22d893eec0d52fa97d25d3de248285648f26ef68 <0704c04769ccc1a0939682db35d816dfa5fe75dc || >=22d893eec0d52fa97d25d3de248285648f26ef68 <3ec629fee178d429f01ae843e4ea888de93012bf | 0704c04769ccc1a0939682db35d816dfa5fe75dc, 3ec629fee178d429f01ae843e4ea888de93012bf |
| Linux/Linuxgeneric | 7.0 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 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: Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device hu->serdev is NULL for hci_uart attached via non-serdev paths, but qca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev) and dereferences the result, causing a NULL pointer dereference. Fix by guarding the dereference with a NULL check, consistent with the rest of qca_setup().
Quoted source text, attributed separately from HOL analysis.