Search/CVE-2026-64125
● CVE — Critical

CVE-2026-64125

VendorlinuxProductlinux kernelDiscoveredJul 19, 2026UpdatedAug 13, 2026

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: keep RBUF EEE/PM disabled Setting RBUF_EEE_EN | RBUF_PM_EN in RBUF_ENERGY_CTRL breaks the RX path on GENET hardware once MAC EEE becomes active. RX traffic stops flowing while the link stays up and the usual descriptor/RX error counters remain quiet. In that state the MAC still accepts frames (rbuf_ovflow_cnt keeps climbing) but RBUF no longer forwards them to DMA, so rx_packets is no longer incremented at the netdev level. On some boards the corruption ends up as a paging fault in skb_release_data via bcmgenet_rx_poll on an LPI exit. Reproduced on Pi 4B (BCM2711 + BCM54213PE) and confirmed by Florian Fainelli on an internal Broadcom 4908-family board with the same crash signature. RBUF_PM_EN is not…

CVSS v3.1
9.8 CRITICAL
EPSS
0.55%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
31
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 14, 2026 → Sep 27, 2026
● 0.00pp
0.55% → 0.55% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
32 relationships
Timeline
disclosure → media coverage
Jul 19, 2026
Disclosure — published as a CVE record. · last revised by NVD Aug 13, 2026
Jul 21, 2026
ubuntu.com reports: USN-8575-1: Linux kernel vulnerabilities
Jul 21, 2026
ubuntu.com reports: USN-8576-1: Linux kernel (NVIDIA Tegra) vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8593-1: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8575-2: Linux kernel vulnerabilities
Jul 23, 2026
ubuntu.com reports: USN-8576-2: Linux kernel (NVIDIA Tegra) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8603-1: Linux kernel (Azure) vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8575-3: Linux kernel vulnerabilities
Jul 24, 2026
ubuntu.com reports: USN-8610-1: Linux kernel (Azure CVM) vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8618-1: Linux kernel vulnerabilities
Jul 28, 2026
ubuntu.com reports: USN-8620-1: Linux kernel vulnerabilities
Jul 29, 2026
ubuntu.com reports: USN-8620-2: Linux kernel (Azure FIPS) vulnerabilities
Jul 31, 2026
ubuntu.com reports: USN-8620-3: Linux kernel (Intel IoTG) vulnerabilities
Jul 31, 2026
ubuntu.com reports: USN-8620-4: Linux kernel (Intel IoTG) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8663-1: Linux kernel (NVIDIA) vulnerabilities
Aug 20, 2026
ubuntu.com reports: USN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilities
Aug 21, 2026
ubuntu.com reports: USN-8668-1: Linux kernel (GCP) vulnerabilities
Sep 7, 2026
ubuntu.com reports: USN-8728-1: Linux kernel (GCP) vulnerabilities
Sep 7, 2026
ubuntu.com reports: USN-8729-1: Linux kernel vulnerabilities
Sep 15, 2026
ubuntu.com reports: USN-8761-1: Linux kernel (Azure) vulnerabilities
Sep 18, 2026
ubuntu.com reports: USN-8729-2: Linux kernel (Raspberry Pi Real-time) vulnerabilities
Sep 18, 2026
ubuntu.com reports: USN-8761-2: Linux kernel (Azure FIPS) vulnerabilities
Sep 18, 2026
ubuntu.com reports: USN-8781-1: Linux kernel (NVIDIA Tegra) vulnerabilities
Sep 21, 2026
ubuntu.com reports: USN-8761-3: Linux kernel (Azure) vulnerabilities
Sep 21, 2026
ubuntu.com reports: USN-8729-3: Linux kernel vulnerabilities
Sep 21, 2026
ubuntu.com reports: USN-8668-2: Linux kernel (Raspberry Pi) vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8729-4: Linux kernel (Low Latency) vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8728-2: Linux kernel (Azure) vulnerabilities
Sep 22, 2026
ubuntu.com reports: USN-8802-1: Linux kernel (Oracle) vulnerabilities
Sep 25, 2026
ubuntu.com reports: USN-8729-5: Linux kernel (AWS FIPS) vulnerabilities
Sep 29, 2026
ubuntu.com reports: USN-8729-6: Linux kernel (AWS) vulnerabilities
Sep 29, 2026
ubuntu.com reports: USN-8728-3: Linux kernel (Oracle) vulnerabilities