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CVE-2024-47713— wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()

EPSS 0.01% · P2
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I. Basic Information for CVE-2024-47713

Vulnerability Information

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Vulnerability Title
wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于wifi驱动mac80211在ieee80211_do_stop函数中未正确回收skb。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 5061b0c2b9066de426fbc63f1278d2210e789412 ~ 07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268 -
LinuxLinux 2.6.32 -

II. Public POCs for CVE-2024-47713

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III. Intelligence Information for CVE-2024-47713

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Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

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CVE-2024-50009cpufreq: amd-pstate: add check for cpufreq_cpu_get's return value
CVE-2024-50010exec: don't WARN for racy path_noexec check
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Showing top 20 of 372 CVEs. View all on vendor page → →

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