Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.
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 v5.18-rc1 到 v5.19-rc6版本存在安全漏洞，该漏洞源于无法清除 .bss 中静态分配变量的块起始符号 (.bss)，从而影响 XenPV guest，导致 asm_exc_page_fault 或任意代码执行，攻击者利用该漏洞可以导致 NULL 指针取消引用、内核 oops 或拒绝服务等。
CVSS Information
N/A
Vulnerability Type
N/A