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I. Basic Information for CVE-2022-49479
Vulnerability Information

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Vulnerability Title
mt76: fix tx status related use-after-free race on station removal
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mt76: fix tx status related use-after-free race on station removal There is a small race window where ongoing tx activity can lead to a skb getting added to the status tracking idr after that idr has already been cleaned up, which will keep the wcid linked in the status poll list. Fix this by only adding status skbs if the wcid pointer is still assigned in dev->wcid, which gets cleared early by mt76_sta_pre_rcu_remove
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mt76中tx状态相关的释放后重用竞争条件。
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 bd1e3e7b693c17a04e7d2bd9119daa482b7c7720 ~ ef7f9f894cfd0b2e471206409a529af4a26ddd55 -
LinuxLinux 5.16 -
II. Public POCs for CVE-2022-49479
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III. Intelligence Information for CVE-2022-49479
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49479

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