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CVE-2018-1092

CVE-2018-1092

EPSS 2.0%
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
Produtos afetados
n/a · Linux kernel through version 4.15

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Referências
http://openwall.com/lists/oss-security/2018/03/29/1https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3096https://bugzilla.kernel.org/show_bug.cgi?id=199179https://bugzilla.kernel.org/show_bug.cgi?id=199275https://bugzilla.redhat.com/show_bug.cgi?id=1560777https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://usn.ubuntu.com/3676-1/https://usn.ubuntu.com/3676-2/https://usn.ubuntu.com/3677-1/