CVEvulnerability
CVE-2018-1094
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-04-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (<= 4.15.15)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• redhat enterprise linux desktop 7.0
• redhat enterprise linux server 7.0
• redhat enterprise linux workstation 7.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://openwall.com/lists/oss-security/2018/03/29/1 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199183 Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1560788 Issue Tracking, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957 Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1 Patch
- https://usn.ubuntu.com/3695-1/ Third Party Advisory
- https://usn.ubuntu.com/3695-2/ Third Party Advisory
- http://openwall.com/lists/oss-security/2018/03/29/1 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199183 Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1560788 Issue Tracking, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957 Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1 Patch
- https://usn.ubuntu.com/3695-1/ Third Party Advisory
- https://usn.ubuntu.com/3695-2/ Third Party Advisory