CVE-2026-64228

A flaw was found in the Linux kernel's ethtool PHY Physical Layer driver. A local attacker can trigger a null pointer dereference by unbinding a PHY driver via sysfs while the device is still attached. This can lead to a kernel crash, resulting in a denial of service...

CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

Linux Distros Unpatched Vulnerability : CVE-2026-64228

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-38736)

In the Linux kernel, the following vulnerability has been resolved: net: usb: asixdevices: Fix PHY address mask in MDIO bus initialization Syzbot reported shift-out-of-bounds exception on MDIO bus initialization. The PHY address should be masked to 5 bits 0-31. Without this mask, invalid PHY...

UBUNTU-CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

SUSE CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

DEBIAN-CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

EUVD-2026-48636

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

CVE-2026-64228

The CVE-2026-64228 issue affects the Linux kernel in the net: ethtool: phy path. When a PHY driver is unbound via sysfs, phydev->drv can become NULL while the phy_device remains attached to its net_device. phy_remove() clears phydev->drv but does not call phy_detach(), leaving the phy_devic...

CVE-2026-64228 net: ethtool: phy: avoid NULL deref when PHY driver is unbound

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

USN-8604-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

PT-2026-64343

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the ethtool PHY component when a PHY driver is unbound via sysfs. This happens because phy remove clears the phydev-drv pointer without calling phy...

CVE-2026-64120

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: fix NULL pointer dereference in phyreplysize In phypreparedata, several strings such as 'name', 'drvname', 'upstreamsfpname', and 'downstreamsfpname' are allocated using kstrdup. However, these allocations were not...

CVE-2026-64120

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: fix NULL pointer dereference in phyreplysize In phypreparedata, several strings such as 'name', 'drvname', 'upstreamsfpname', and 'downstreamsfpname' are allocated using kstrdup. However, these allocations were not...

CVE-2026-64120

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: fix NULL pointer dereference in phyreplysize In phypreparedata, several strings such as 'name', 'drvname', 'upstreamsfpname', and 'downstreamsfpname' are allocated using kstrdup. However, these allocations were not...

EUVD-2026-45805

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: fix NULL pointer dereference in phyreplysize In phypreparedata, several strings such as 'name', 'drvname', 'upstreamsfpname', and 'downstreamsfpname' are allocated using kstrdup. However, these allocations were not...

CVE-2026-64120

CVE-2026-64120 pertains to the Linux kernel’s phy_prepare_data() in the net: ethtool path. The issue arises from kstrdup() allocations for strings (name, drvname, upstream_sfp_name, downstream_sfp_name) that were not NULL-checked, allowing a NULL dereference in phy_reply_size() when strlen() is c...

CVE-2026-64120 net: ethtool: fix NULL pointer dereference in phy_reply_size

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: fix NULL pointer dereference in phyreplysize In phypreparedata, several strings such as 'name', 'drvname', 'upstreamsfpname', and 'downstreamsfpname' are allocated using kstrdup. However, these allocations were not...