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I. Basic Information for CVE-2022-49212
Vulnerability Information

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Vulnerability Title
mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init The reference counting issue happens in several error handling paths on a refcounted object "nc->dmac". In these paths, the function simply returns the error code, forgetting to balance the reference count of "nc->dmac", increased earlier by dma_request_channel(), which may cause refcount leaks. Fix it by decrementing the refcount of specific object in those error paths.
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atmel_nand_controller_init函数中的引用计数问题。
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 f88fc122cc34c2545dec9562eaab121494e401ef ~ 0856bf27057561f42b37df111603cf5a0d040294 -
LinuxLinux 4.12 -
II. Public POCs for CVE-2022-49212
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III. Intelligence Information for CVE-2022-49212
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49212

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