Use-after-free vulnerability in Linux kernel through 4.17.10 when mounting a crafted btrfs image

Use-after-free vulnerability in Linux kernel through 4.17.10 when mounting a crafted btrfs image

CVE-2018-14611 · HIGH Severity

AV:N/AC:M/AU:N/C:N/I:N/A:C

An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

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