Answer in brief
CVE-2026-72403 records a Unknown severity vulnerability in ALSA: FCP: Fix NULL pointer dereference in interface lookup. 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 | >=46757a3e7d50dac923888e7fbe68377736f13c70 <f28d7b5f1578a7501ab17b10643ed1e4f729187e || >=46757a3e7d50dac923888e7fbe68377736f13c70 <3ab06151ffcb8c3aeb8f78508658b6c0f05be932 || >=46757a3e7d50dac923888e7fbe68377736f13c70 <e1e31e0ec8a609e17fd2e86b77bc00d9cbb24d7c | f28d7b5f1578a7501ab17b10643ed1e4f729187e, 3ab06151ffcb8c3aeb8f78508658b6c0f05be932, e1e31e0ec8a609e17fd2e86b77bc00d9cbb24d7c |
| Linux/Linuxgeneric | 6.14 | 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: ALSA: FCP: Fix NULL pointer dereference in interface lookup A malformed USB device can provide a vendor-specific interface without any endpoint descriptors. fcp_find_fc_interface() currently selects the first vendor-specific interface and reads endpoint 0 from it, without checking whether the interface actually has any endpoints. When bNumEndpoints is zero, no endpoint array is allocated for the parsed alternate setting, so get_endpoint(..., 0) yields an invalid endpoint descriptor pointer. Dereferencing it through usb_endpoint_num() then triggers a NULL pointer dereference. Skip vendor-specific interfaces that do not have any endpoints.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-72403 records a Unknown severity vulnerability in ALSA: FCP: Fix NULL pointer dereference in interface lookup. 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 | >=46757a3e7d50dac923888e7fbe68377736f13c70 <f28d7b5f1578a7501ab17b10643ed1e4f729187e || >=46757a3e7d50dac923888e7fbe68377736f13c70 <3ab06151ffcb8c3aeb8f78508658b6c0f05be932 || >=46757a3e7d50dac923888e7fbe68377736f13c70 <e1e31e0ec8a609e17fd2e86b77bc00d9cbb24d7c | f28d7b5f1578a7501ab17b10643ed1e4f729187e, 3ab06151ffcb8c3aeb8f78508658b6c0f05be932, e1e31e0ec8a609e17fd2e86b77bc00d9cbb24d7c |
| Linux/Linuxgeneric | 6.14 | 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: ALSA: FCP: Fix NULL pointer dereference in interface lookup A malformed USB device can provide a vendor-specific interface without any endpoint descriptors. fcp_find_fc_interface() currently selects the first vendor-specific interface and reads endpoint 0 from it, without checking whether the interface actually has any endpoints. When bNumEndpoints is zero, no endpoint array is allocated for the parsed alternate setting, so get_endpoint(..., 0) yields an invalid endpoint descriptor pointer. Dereferencing it through usb_endpoint_num() then triggers a NULL pointer dereference. Skip vendor-specific interfaces that do not have any endpoints.
Quoted source text, attributed separately from HOL analysis.