CVE-2023-54141

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Add missing hw_ops->get_ring_selector() for IPQ5018 During sending data after clients connected, hw_ops->get_ring_selector() will be called. But for IPQ5018, this member isn't set, and the following NULL pointer exception will be occurred: [ 38.840478] 8 ] (ath11k_dp_tx [ath11k]) from [ ] (ath11k_mac_op_tx+0x80/0x190 [ath11k]) [ 39.446607] [ ] (ath11k_mac_op_tx [ath11k]) from [ ] (ieee80211_handle_wake_tx_queue+0x7c/0xc0 [mac80211]) [ 39.456162] [ ] (ieee80211_handle_wake_tx_queue [mac80211]) from [ ] (ieee80211_probereq_get+0x584/0x704 [mac80211]) [ 39.467443] [ ] (ieee80211_probereq_get [mac80211]) from [ ] (ieee80211_tx_prepare_skb+0x1f8/0x248 [mac80211]) [ 39.479334] [ ] (ieee80211_tx_prepare_skb [mac80211]) from [ ] (__ieee80211_subif_start_xmit+0x32c/0x3d4 [mac80211]) [ 39.491053] [ ] (__ieee80211_subif_start_xmit [mac80211]) from [ ] (ieee80211_tx_control_port+0x19c/0x288 [mac80211]) [ 39.502946] [ ] (ieee80211_tx_control_port [mac80211]) from [ ] (nl80211_tx_control_port+0x174/0x1d4 [cfg80211]) [ 39.515017] [ ] (nl80211_tx_control_port [cfg80211]) from [ ] (genl_rcv_msg+0x154/0x340) [ 39.526814] [ ] (genl_rcv_msg) from [ ] (netlink_rcv_skb+0xb8/0x11c) [ 39.536446] [ ] (netlink_rcv_skb) from [ ] (genl_rcv+0x28/0x34) [ 39.544344] [ ] (genl_rcv) from [ ] (netlink_unicast+0x174/0x274) [ 39.551895] [ ] (netlink_unicast) from [ ] (netlink_sendmsg+0x1dc/0x440) [ 39.559362] [ ] (netlink_sendmsg) from [ ] (____sys_sendmsg+0x1a8/0x1fc) [ 39.567697] [ ] (____sys_sendmsg) from [ ] (___sys_sendmsg+0xa4/0xdc) [ 39.575941] [ ] (___sys_sendmsg) from [ ] (sys_sendmsg+0x44/0x74) [ 39.583841] [ ] (sys_sendmsg) from [ ] (ret_fast_syscall+0x0/0x40) ... [ 39.620734] Code: bad PC value [ 39.625869] ---[ end trace 8aef983ad3cbc032 ]---