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I. Basic Information for CVE-2022-50234
Vulnerability Information

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Vulnerability Title
io_uring/af_unix: defer registered files gc to io_uring release
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: io_uring/af_unix: defer registered files gc to io_uring release Instead of putting io_uring's registered files in unix_gc() we want it to be done by io_uring itself. The trick here is to consider io_uring registered files for cycle detection but not actually putting them down. Because io_uring can't register other ring instances, this will remove all refs to the ring file triggering the ->release path and clean up with io_ring_ctx_free(). [axboe: add kerneldoc comment to skb, fold in skb leak fix]
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,该漏洞源于未正确处理io_uring注册文件的垃圾回收,可能导致内存泄漏。
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 6b06314c47e141031be043539900d80d2c7ba10f ~ 04df9719df1865f6770af9bc7880874af0e594b2 -
LinuxLinux 5.1 -
II. Public POCs for CVE-2022-50234
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III. Intelligence Information for CVE-2022-50234
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50234

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