جزئیات آسیب‌پذیری

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In the Linux kernel, the following vulnerability has been resolved: net: mv643xx: move setting of netops to fix crash mv643xx_eth_probe() connects the PHY before dev->netdev_ops is assigned. phy_attach_direct() -> phy_link_topo_add_phy() reads dev->netdev_ops through netdev_need_ops_lock() since the commit in question, so probing crashes with a NULL pointer dereference when CONFIG_NET_SHAPER is enabled. Assign netdev_ops before the PHY attach, as was done for emac in commit 7c9f391ec89c ("net: emac: move setting of netops to fix crash").

• https://git.kernel.org/stable/c/bfb1ca89e9f6efa26c8a4a5b9de46541a222abc9
• https://git.kernel.org/stable/c/a3eef3d2cca032d8768b5eb07aab0f46b79bfd8a