CVE-2025-40120 — Deadlock in Linux

CWE-833 — Deadlock54 documents6 sources
Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vector
EPSS
0.0%
top 87.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedNov 12
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock Prevent USB runtime PM (autosuspend) for AX88772* in bind. usbnet enables runtime PM (autosuspend) by default, so disabling it via the usb_driver flag is ineffective. On AX88772B, autosuspend shows no measurable power saving with current driver (no link partner, admin up/down). The ~0.453 W -> ~0.248 W drop on v6.1 comes from phylib powering the PHY off on adm…

Affected Packages6 packages

▶Linuxlinux/linux_kernel5.14.0 — 5.15.195+4
▶Debianlinux/linux_kernel< 6.1.158-1+2
▶Ubuntulinux/linux_kernel< 5.15.0-170.180+2
▶CVEListV5linux/linux4a2c7217cd5a87e85ceb761e307b030fe6db4805 — 71a0ba7fdaf8d035426912a4ed7bf1738a81010c+6
▶debiandebian/linux< linux 6.1.158-1 (bookworm)

🔴Vulnerability Details

27
OSV
linux-raspi vulnerabilities↗2026-04-01
▶
OSV
linux-raspi, linux-raspi-realtime vulnerabilities↗2026-04-01
▶
OSV
linux-azure-6.8 vulnerabilities↗2026-03-25
▶
OSV
linux-azure vulnerabilities↗2026-03-25
▶
OSV
linux-aws-6.8 vulnerabilities↗2026-03-23
▶

📋Vendor Advisories

26
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-04-13
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-04-09
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-04-09
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2026-04-01
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2026-04-01
▶