CVE-2018-1094 | BDVDB-2026-98601 Detail
Linux kernel through version 4.15
Description#
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://bugzilla.redhat.com/show_bug.cgi?id=1560788
- https://access.redhat.com/errata/RHSA-2018:3083
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957
- http://openwall.com/lists/oss-security/2018/03/29/1
- https://usn.ubuntu.com/3695-1/
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1
- https://usn.ubuntu.com/3695-2/
- https://bugzilla.kernel.org/show_bug.cgi?id=199183
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3096
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.