ファイルシステム ext4 に kernel panic を引き起こす脆弱性
CVE-2018-1092 kernel: NULL pointer dereference in ext4/mballoc.c:ext4_process_freed_data() when mounting crafted ext4 image
The Linux kernel through version 4.15 is vulnerable to a NULL pointer dereference
in the ext4/mballoc.c:ext4_process_freed_data() function. An attacker with
privileged access could exploit this by mounting a crafted ext4 image to cause a kernel panic.
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