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CVE-2018-14612

CVE-2018-14612

EPSS 2.6%
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.
Affected products
n/a · n/a

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References
https://bugzilla.kernel.org/show_bug.cgi?id=199847https://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlhttps://patchwork.kernel.org/patch/10503403/https://patchwork.kernel.org/patch/10503413/https://usn.ubuntu.com/3932-1/https://usn.ubuntu.com/3932-2/https://usn.ubuntu.com/4094-1/https://usn.ubuntu.com/4118-1/http://www.securityfocus.com/bid/104917