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I. Basic Information for CVE-2022-49833
Vulnerability Information

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Vulnerability Title
btrfs: zoned: clone zoned device info when cloning a device
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: clone zoned device info when cloning a device When cloning a btrfs_device, we're not cloning the associated btrfs_zoned_device_info structure of the device in case of a zoned filesystem. Later on this leads to a NULL pointer dereference when accessing the device's zone_info for instance when setting a zone as active. This was uncovered by fstests' testcase btrfs/161.
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btrfs未克隆zoned设备信息,可能导致空指针取消引用。
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 5b316468983dfa9473ff0f1c42e4e30b4c267141 ~ ad88cabcec942c033f980cd1e28d56ecdaf5f3b8 -
LinuxLinux 5.11 -
II. Public POCs for CVE-2022-49833
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III. Intelligence Information for CVE-2022-49833
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49833

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