cve/2024/CVE-2024-47713.md

### [CVE-2024-47713](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47713)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=2.6.32%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=5061b0c2b9066de426fbc63f1278d2210e789412%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()Since '__dev_queue_xmit()' should be called with interrupts enabled,the following backtrace:ieee80211_do_stop() ... spin_lock_irqsave(&local->queue_stop_reason_lock, flags) ... ieee80211_free_txskb()  ieee80211_report_used_skb()   ieee80211_report_ack_skb()    cfg80211_mgmt_tx_status_ext()     nl80211_frame_tx_status()      genlmsg_multicast_netns()       genlmsg_multicast_netns_filtered()        nlmsg_multicast_filtered()	 netlink_broadcast_filtered()	  do_one_broadcast()	   netlink_broadcast_deliver()	    __netlink_sendskb()	     netlink_deliver_tap()	      __netlink_deliver_tap_skb()	       dev_queue_xmit()	        __dev_queue_xmit() ; with IRQS disabled ... spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags)issues the warning (as reported by syzbot reproducer):WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120Fix this by implementing a two-phase skb reclamation in'ieee80211_do_stop()', where actual work is performedoutside of a section with interrupts disabled.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/w4zu/Debian_security