CVE - CVE-2024-47713

CVE-ID
CVE-2024-47713	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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+0xc3/0x120 Fix this by implementing a two-phase skb reclamation in 'ieee80211_do_stop()', where actual work is performed outside of a section with interrupts disabled.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596 URL:https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596 MISC:https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121 URL:https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121 MISC:https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64b URL:https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64b MISC:https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec URL:https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec MISC:https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02 URL:https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02 MISC:https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6a URL:https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6a MISC:https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908 URL:https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908
Assigning CNA
kernel.org
Date Record Created
20240930	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240930)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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