CVE-2018-13094
kernel: NULL pointer dereference in xfs_da_shrink_inode function
Severity Score
5.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
Se ha descubierto un problema en fs/xfs/libxfs/xfs_attr_leaf.c en el kernel de Linux hasta la versión 4.17.3. Puede ocurrir un OOPS para una imagen xfs corrupta después de que se llame a xfs_da_shrink_inode() con un bp NULL.
An issue was discovered in the XFS filesystem in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel. A NULL pointer dereference may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp. This can lead to a system crash and a denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-07-03 CVE Reserved
- 2018-07-03 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2024-12-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (15)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.kernel.org/show_bug.cgi?id=199969 | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:0831 | 2019-04-23 | |
| https://access.redhat.com/errata/RHSA-2019:2029 | 2019-04-23 | |
| https://access.redhat.com/errata/RHSA-2019:2043 | 2019-04-23 | |
| https://usn.ubuntu.com/3752-1 | 2019-04-23 | |
| https://usn.ubuntu.com/3752-2 | 2019-04-23 | |
| https://usn.ubuntu.com/3752-3 | 2019-04-23 | |
| https://usn.ubuntu.com/3753-1 | 2019-04-23 | |
| https://usn.ubuntu.com/3753-2 | 2019-04-23 | |
| https://usn.ubuntu.com/3754-1 | 2019-04-23 | |
| https://access.redhat.com/security/cve/CVE-2018-13094 | 2019-08-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1597771 | 2019-08-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 4.17.3 Search vendor "Linux" for product "Linux Kernel" and version " <= 4.17.3" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||