CVE-2018-1094
MEDIUM 5.5EPSS 2.1%
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.
- Affected
- Linux kernel through version 4.15
- CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 7.1 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C - EPSS
- 2.08% chance of exploitation in the next 30 days, 81st percentile
- Published
- 2018-04-02
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
Security advisories
- http://openwall.com/lists/oss-security/2018/03/29/1
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.redhat.com/show_bug.cgi?id=1560788
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31ed…
- https://usn.ubuntu.com/3695-1
- https://usn.ubuntu.com/3695-2
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87…