Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Vulnerability Description
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.15.15及之前的版本中的fs/ext4/balloc.c文件的‘ext4_valid_block_bitmap’函数存在安全漏洞，该漏洞源于程序没有校验bitmap块的数量。攻击者可借助特制的ext4图像利用该漏洞造成拒绝服务（越边界读取和系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A