CVE-2018-1092
Summary
| CVE | CVE-2018-1092 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-04-02 03:29:00 UTC |
| Updated | 2023-02-12 23:32:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: CWE-476
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Debian -- Security Information -- DSA-4188-1 linux | DEBIAN | www.debian.org | |
| USN-3678-1: Linux kernel vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| USN-3676-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| USN-3678-2: Linux kernel (Azure) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| USN-3676-1: Linux kernel vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| 199179 – Invalid pointer dereference when mounting crafted ext4 image in ext4_process_freed_data | MISC | bugzilla.kernel.org | Issue Tracking |
| USN-3678-4: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| Red Hat Customer Portal | REDHAT | access.redhat.com | |
| oss-security - a number of CVEs for issues in the filesystem's code in the Linux kernel | MISC | openwall.com | Mailing List, Third Party Advisory |
| 1560777 – (CVE-2018-1092) CVE-2018-1092 kernel: NULL pointer dereference in ext4/mballoc.c:ext4_process_freed_data() when mounting crafted ext4 image | MISC | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| kernel/git/tytso/ext4.git - Ext4 filesystem tree | MISC | git.kernel.org | Patch |
| Debian -- Security Information -- DSA-4187-1 linux | DEBIAN | www.debian.org | |
| [SECURITY] [DLA 1369-1] linux security update | MLIST | lists.debian.org | |
| 199275 – Invalid pointer dereference in ext4_get_group_info() when mounting a crafted ext4 image | MISC | bugzilla.kernel.org | Issue Tracking |
| USN-3677-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| USN-3754-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| USN-3678-3: Linux kernel (Azure) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| Red Hat Customer Portal | REDHAT | access.redhat.com | |
| USN-3677-1: Linux kernel vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| CVE-2018-1092 - Red Hat Customer Portal | MISC | access.redhat.com | |
| Red Hat Customer Portal | REDHAT | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.