Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com
☎ 03 60 47 09 81 - info@securiteinfo.com
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.
- https://bugzilla.kernel.org/show_bug.cgi?id=199849
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/4118-1/
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://github.com/ARPSyndicate/cvemon