CVE-2018-1092
Linux kernel ext4 Denial of Service Vulnerability
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.
INFO
Published Date :
April 2, 2018, 3:29 a.m.
Last Modified :
Feb. 12, 2023, 11:32 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-1092
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-1092
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-1092
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/mballoc.c:ext4_process_freed_data() function. An attacker could trick a legitimate user or a privileged attacker could exploit this by mounting a crafted ext4 image to cause a kernel panic. 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. Removed CVSS V3 Red Hat, Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/security/cve/CVE-2018-1092 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/mballoc.c:ext4_process_freed_data() function. An attacker could trick a legitimate user or a privileged attacker could exploit this by mounting a crafted ext4 image to cause a kernel panic. Added CVSS V3 Red Hat, Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added Reference https://access.redhat.com/security/cve/CVE-2018-1092 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 31, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 24, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3754-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 16, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3678-4/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 14, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3678-3/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 13, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3678-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3678-1/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3677-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3677-1/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3676-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3676-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 04, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2018
Action Type Old Value New Value Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned] Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned] -
Initial Analysis by [email protected]
May. 02, 2018
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44 Patch Changed Reference Type http://openwall.com/lists/oss-security/2018/03/29/1 No Types Assigned http://openwall.com/lists/oss-security/2018/03/29/1 Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=199275 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=199275 Issue Tracking Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1560777 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1560777 Issue Tracking, Third Party Advisory Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=199179 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=199179 Issue Tracking Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.15 -
CVE Modified by [email protected]
Apr. 21, 2018
Action Type Old Value New Value Added Reference https://bugzilla.kernel.org/show_bug.cgi?id=199275 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-1092
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-1092
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.07%
score
0.60790
percentile