CVE-2018-1093
Summary
| CVE | CVE-2018-1093 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-04-02 03:29:00 UTC |
| Updated | 2018-08-29 10:29:00 UTC |
| Description | The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers. |
Risk And Classification
Problem Types: CWE-125
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-3676-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| USN-3752-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| 199181 – Out-of-bound access in ext4_valid_block_bitmap when mounting and operating on a crafted ext4 image | MISC | bugzilla.kernel.org | Issue Tracking |
| USN-3752-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| USN-3676-1: Linux kernel vulnerabilities | Ubuntu security notices | UBUNTU | usn.ubuntu.com | |
| [SECURITY] [DLA 1422-1] linux security update | MLIST | lists.debian.org | |
| [SECURITY] [DLA 1422-2] linux security update | MLIST | lists.debian.org | |
| oss-security - a number of CVEs for issues in the filesystem's code in the Linux kernel | MISC | openwall.com | Mailing List |
| [SECURITY] [DLA 1392-1] linux security update | MLIST | lists.debian.org | |
| USN-3752-3: Linux kernel (Azure, GCP, OEM) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| USN-3754-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| kernel/git/tytso/ext4.git - Ext4 filesystem tree | MISC | git.kernel.org | Patch |
| 1560782 – (CVE-2018-1093) CVE-2018-1093 kernel: Out of bounds read in ext4/balloc.c:ext4_valid_block_bitmap() causes crash with crafted ext4 image | MISC | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| 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.