Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 输入验证错误漏洞
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。overlayfs是其中的一套文件系统。 Linux kernel 存在输入验证错误漏洞，该漏洞源于在 Linux 内核的 bpf 中的 kernel/bpf/stackmap.c 中的 prealloc_elems_and_freelist 中发现了越界 (OOB) 内存写入缺陷。攻击者可利用该漏洞访问超出边界的内存，从而导致系统崩溃或内部内核信息泄漏。
CVSS Information
N/A
Vulnerability Type
N/A