Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2.
CVSS Information
N/A
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
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，攻击者可利用该漏洞通过Frozen EBPF Map Race绕过Linux内核的限制进而提升权限。
CVSS Information
N/A
Vulnerability Type
N/A