Published: 02/04/2018 Updated: 13/02/2023

CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 632

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel up to and including 4.15.15 does not always initialize the crc32c checksum driver, which allows malicious users to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.

Vulnerable Product	Search on Vulmon	Subscribe to Product
linux linux kernel
redhat enterprise linux desktop 7.0
redhat enterprise linux workstation 7.0
redhat enterprise linux server 7.0
canonical ubuntu linux 16.04
canonical ubuntu linux 18.04

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

Synopsis Important: kernel-rt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Sco ...

Synopsis Important: kernel-alt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability S ...

A regression that caused boot failures was fixed in the Linux kernel ...

Several security issues were fixed in the Linux kernel ...

A regression that caused boot failures was fixed in the Linux kernel ...

The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/xattrc:ext4_xattr_inode_hash() function An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a NULL pointer dereference with a crafted ext4 image ...

CWE-476 https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1 https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957 https://bugzilla.redhat.com/show_bug.cgi?id=1560788 https://bugzilla.kernel.org/show_bug.cgi?id=199183 http://openwall.com/lists/oss-security/2018/03/29/1 https://usn.ubuntu.com/3695-2/https://usn.ubuntu.com/3695-1/https://access.redhat.com/errata/RHSA-2018:3096 https://access.redhat.com/errata/RHSA-2018:3083 https://access.redhat.com/errata/RHSA-2018:2948 https://nvd.nist.gov https://access.redhat.com/errata/RHSA-2018:3083 https://usn.ubuntu.com/3718-2/

CVE-2018-1094

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