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CVE-2018-14613

CVE-2018-14613

EPSS 2.5%
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item 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=199849https://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/10503147/https://usn.ubuntu.com/3932-1/https://usn.ubuntu.com/3932-2/https://usn.ubuntu.com/4094-1/https://usn.ubuntu.com/4118-1/https://www.oracle.com/security-alerts/cpuApr2021.htmlhttp://www.securityfocus.com/bid/104917