Answer in brief
CVE-2026-98830 records a Unknown severity vulnerability in wifi: wfx: validate MIB read length before copying to caller. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | 5.5 | Not reported |
| Linux/Linuxgeneric | >=f95a29d40782f4f0052a692a822de3ba044b19ff <02886c18a340da59df57365f29009e1258bfe333 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <71d140099165de03128c00dd129f1eab21c6a3c4 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <7acb36fd60a3e7b858f12e69a919c3609b281408 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <ce67ebe9d8629776ce38e6995ae72fb903c828db | 02886c18a340da59df57365f29009e1258bfe333, 71d140099165de03128c00dd129f1eab21c6a3c4, 7acb36fd60a3e7b858f12e69a919c3609b281408, ce67ebe9d8629776ce38e6995ae72fb903c828db |
| Linux/Linuxgeneric | >=f95a29d40782f4f0052a692a822de3ba044b19ff <819d4c1323e2a9b7329021d5367aa01add22b5dc || >=f95a29d40782f4f0052a692a822de3ba044b19ff <02886c18a340da59df57365f29009e1258bfe333 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <71d140099165de03128c00dd129f1eab21c6a3c4 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <7acb36fd60a3e7b858f12e69a919c3609b281408 || >=f95a29d40782f4f0052a692a822de3ba044b19ff <ce67ebe9d8629776ce38e6995ae72fb903c828db | 819d4c1323e2a9b7329021d5367aa01add22b5dc, 02886c18a340da59df57365f29009e1258bfe333, 71d140099165de03128c00dd129f1eab21c6a3c4, 7acb36fd60a3e7b858f12e69a919c3609b281408, ce67ebe9d8629776ce38e6995ae72fb903c828db |
Published upstream
Oct 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 18, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: wfx: validate MIB read length before copying to caller wfx_hif_read_mib() copies reply->length bytes from the firmware response into the caller-provided buffer without checking that reply->length does not exceed val_len. A firmware response with a length field larger than expected overruns the caller buffer and reads past the end of the reply allocation. Replace the dead -ENOMEM check with an active validation that reply->length fits within val_len before the memcpy.
Quoted source text, attributed separately from HOL analysis.