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I. Basic Information for CVE-2022-49258
Vulnerability Information

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Vulnerability Title
crypto: ccree - Fix use after free in cc_cipher_exit()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - Fix use after free in cc_cipher_exit() kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But ctx_p->user.key is still used in the next line, which will lead to a use after free. We can call kfree_sensitive() after dev_dbg() to avoid the uaf.
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cc_cipher_exit中释放后重用。
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 63ee04c8b491ee148489347e7da9fbfd982ca2bb ~ c93017c8d5ebf55a4e453ac7c84cc84cf92ab570 -
LinuxLinux 4.17 -
II. Public POCs for CVE-2022-49258
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III. Intelligence Information for CVE-2022-49258
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49258

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