一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年10月17日

CVE-2026-89098 [MEDIUM] – A flaw was found in nfs-utils. The fsidd daemon improperly handles input received over its

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A flaw was found in nfs-utils. The fsidd daemon improperly handles input received over its local domain socket by relying on program assertions to verify command arguments. A local user can exploit this vulnerability by sending a malformed request lacking the required arguments to trigger an assertion failure. This causes the daemon to crash, resulting in a Denial of Service (DoS) for filesystem identifier lookup services until restarted.