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I. Basic Information for CVE-2022-49678
Vulnerability Information

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Vulnerability Title
soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. In brcmstb_init_sram, it pass dn to of_address_to_resource(), of_address_to_resource() will call of_find_device_by_node() to take reference, so we should release the reference returned by of_find_matching_node().
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brcmstb_pm_probe中缺少of_node_put,导致引用计数泄漏。
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 0b741b8234c86065fb6954d32d427b3f7e14756f ~ 4f5877bdf7b593e988f1924f4c3df6523f80b39c -
LinuxLinux 4.15 -
II. Public POCs for CVE-2022-49678
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III. Intelligence Information for CVE-2022-49678
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49678

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