CVE-2026-64125
bcmgenet Linux driver EEE/PM setting breaks RX, causing network outage and crashes
Is CVE-2026-64125 being exploited?
Not confirmed. CVE-2026-64125 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.55% probability of exploitation in the next 30 days.
How severe is CVE-2026-64125?
CVE-2026-64125 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-64125?
Yes. A fix has been recorded for CVE-2026-64125. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-64125 affect?
CVE-2026-64125 affects Linux kernel (bcmgenet driver), Broadcom GENET MAC-based devices, Raspberry Pi 4B (BCM2711 + BCM54213PE), Broadcom 4908-family boards. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-64125?
Apply vendor/kernel patch; if unable, disable EEE/LPI on affected interfaces until patched
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Denial of network receive and potential kernel crashes on Broadcom GENET devices when EEE/LPI enabled; packets accepted by MAC but not delivered to OS.
Immediate action required
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < 2040eb83f6ada148fb32dd98b943a498005d79f2
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < f2782ddac82c70df313012da5f71f1f06b5553ca
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < b579f3a73da7a7e74213558f4cc3d865c30aaa78
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < 289499907399c5a9f2ed82cb34df49112bb8488f
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < a212fc08f5c48a16a94092bf0a9a8b7cf4483b11
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < 3d4ef05266ab16d8ef7dd21658a557801eb78704
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < 49bdf6bbb21b9c6e3f4d0c1910bf0ef98424be95
- affected>= 6ef398ea60d931b97d69ed080bd0bd00fac38ec6 and < 9a1730245e416d11ad5c0f2c100061d61cc43f60
- affected3.19
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.