Vulnerability Information
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Vulnerability Title
proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
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proc在检查proc_lseek时与proc_read_iter等处理方式不一致，可能导致UAF。
CVSS Information
N/A
Vulnerability Type
N/A