Answer in brief
CVE-2026-46180 records a High severity (CVSS 7.8) vulnerability in wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task. 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.
Answer in brief
CVE-2026-46180 records a High severity (CVSS 7.8) vulnerability in wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task. 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 7.8. 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 | >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <df2e90d6a9955510f24f1dada78cfc439fd9fa88 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <d616bb10de79e5c2bd8a24230a1128aeaf715615 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <ed4168d1a50fef5be8eca947fbbf05a28507d265 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <d16827cb1d3936f7627d0da6044483f743ebde03 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <658d2e46c2e9a8eb9b80c5e803ce3c89885b3366 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <908b92231e1ded53e43fcfad5e0704d83e1b803c || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <c623b63580880cc742255eaed3d79804c1b91143 | a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a, df2e90d6a9955510f24f1dada78cfc439fd9fa88, d616bb10de79e5c2bd8a24230a1128aeaf715615, ed4168d1a50fef5be8eca947fbbf05a28507d265, d16827cb1d3936f7627d0da6044483f743ebde03, 658d2e46c2e9a8eb9b80c5e803ce3c89885b3366, 908b92231e1ded53e43fcfad5e0704d83e1b803c, c623b63580880cc742255eaed3d79804c1b91143 |
| Linux/Linuxgeneric | 3.3 | Not reported |
Published upstream
May 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 19, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.8. 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 | >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <df2e90d6a9955510f24f1dada78cfc439fd9fa88 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <d616bb10de79e5c2bd8a24230a1128aeaf715615 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <ed4168d1a50fef5be8eca947fbbf05a28507d265 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <d16827cb1d3936f7627d0da6044483f743ebde03 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <658d2e46c2e9a8eb9b80c5e803ce3c89885b3366 || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <908b92231e1ded53e43fcfad5e0704d83e1b803c || >=a9ffda88be7416b8336f644806c2b3ed3ce08b26 <c623b63580880cc742255eaed3d79804c1b91143 | a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a, df2e90d6a9955510f24f1dada78cfc439fd9fa88, d616bb10de79e5c2bd8a24230a1128aeaf715615, ed4168d1a50fef5be8eca947fbbf05a28507d265, d16827cb1d3936f7627d0da6044483f743ebde03, 658d2e46c2e9a8eb9b80c5e803ce3c89885b3366, 908b92231e1ded53e43fcfad5e0704d83e1b803c, c623b63580880cc742255eaed3d79804c1b91143 |
| Linux/Linuxgeneric | 3.3 | Not reported |
Published upstream
May 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 19, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().
Quoted source text, attributed separately from HOL analysis.