Answer in brief
CVE-2026-98706 records a Unknown severity vulnerability in wifi: mac80211: drain PS delivery work during station teardown. 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 | >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <843d3a1e6f25027ac85f88f67b95d82c67306dee || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <772bd89304ecf057cc51ce4ce24a1a96ac9c8de3 || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <097460fcdd8ab9ef6f6018b2fdc29ba0ea499298 || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <67a9e80c3ca20c9044cd6ee72cd6278dd19b5023 | 843d3a1e6f25027ac85f88f67b95d82c67306dee, 772bd89304ecf057cc51ce4ce24a1a96ac9c8de3, 097460fcdd8ab9ef6f6018b2fdc29ba0ea499298, 67a9e80c3ca20c9044cd6ee72cd6278dd19b5023 |
| Linux/Linuxgeneric | 3.14 | Not reported |
| Linux/Linuxgeneric | >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <cbff71fe689f359ebd6a3eaded035ef75226afce || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <843d3a1e6f25027ac85f88f67b95d82c67306dee || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <772bd89304ecf057cc51ce4ce24a1a96ac9c8de3 || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <097460fcdd8ab9ef6f6018b2fdc29ba0ea499298 || >=d34ba2168a3c10e7301cca06069c39865b4c3ec6 <67a9e80c3ca20c9044cd6ee72cd6278dd19b5023 | cbff71fe689f359ebd6a3eaded035ef75226afce, 843d3a1e6f25027ac85f88f67b95d82c67306dee, 772bd89304ecf057cc51ce4ce24a1a96ac9c8de3, 097460fcdd8ab9ef6f6018b2fdc29ba0ea499298, 67a9e80c3ca20c9044cd6ee72cd6278dd19b5023 |
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: mac80211: drain PS delivery work during station teardown Removing an AP or mesh station can notify the driver and wake TXQs after the station has already been removed from the driver, and can update num_sta_ps and the power-save queues after station cleanup has purged them. sta_deliver_ps_frames() tests sta->dead only before it starts delivery. A worker that passes that test can be delayed while teardown sets sta->dead and removes the station from the driver; when it resumes it still runs the full delivery. The existing cancel_work_sync() sits near the end of __cleanup_single_sta(), after the final driver state transition and after PS accounting and queue purging, so it drains the worker only once the state it has to protect has already changed. Before commit d34ba2168a3c ("mac80211: don't delay station destruction") cleanup was deferred through the same ordered workqueue as the delivery work, which kept the two ordered. Cancel the work after setting sta->dead and before moving the driver state, and move the existing cancellation to the start of __cleanup_single_sta(). The first drain closes the driver-lifetime window; driver callbacks during the remaining state transitions can still queue drv_deliver_wk through ieee80211_sta_block_awake(), so retain the second drain at the start of __cleanup_single_sta(). That drain also covers insertion failures, which reach cleanup without setting sta->dead.
Quoted source text, attributed separately from HOL analysis.