CVE-2025-40255

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...

CVE-2025-40255

The CVE-2025-40255 issue affects the Linux kernel where the Netlink path used by ethtool tsconfig could trigger a NULL pointer dereference in generic_hwtstamp_ioctl_lower(), if kernel_cfg->ifr is NULL. The vulnerability path shown in the documents is: net: core: prevent NULL deref in generic_h...

CVE-2025-40255 net: core: prevent NULL deref in generic_hwtstamp_ioctl_lower()

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...