CVE-2019-16234
kernel: null pointer dereference in drivers/net/wireless/intel/iwlwifi/pcie/trans.c
Severity Score
4.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
drivers/net/wireless/intel/iwlwifi/pcie/trans.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
El archivo drivers/net/wireless/intel/iwlwifi/pcie/trans.c en el kernel de Linux versión 5.2.14, no comprueba el valor de retorno en alloc_workqueue, conllevando a una desreferencia del puntero NULL.
A flaw was found in the Linux kernel. A check was not done on the alloc_workqueue return value of the iwl_trans_pcie_alloc function potentially leading to a NULL pointer dereference. This error condition could lead to a denial of service. The highest threat from this vulnerability is to system availability.
*Credits:
N/A
CVSS Scores
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
- 2019-09-11 CVE Reserved
- 2019-09-11 CVE Published
- 2024-08-05 CVE Updated
- 2024-09-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20191004-0001 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://lkml.org/lkml/2019/9/9/487 | 2020-05-05 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html | 2020-05-05 | |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html | 2020-05-05 | |
| https://usn.ubuntu.com/4342-1 | 2020-05-05 | |
| https://usn.ubuntu.com/4344-1 | 2020-05-05 | |
| https://usn.ubuntu.com/4345-1 | 2020-05-05 | |
| https://usn.ubuntu.com/4346-1 | 2020-05-05 | |
| https://access.redhat.com/security/cve/CVE-2019-16234 | 2020-04-28 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1760441 | 2020-04-28 |
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" | 5.2.14 Search vendor "Linux" for product "Linux Kernel" and version "5.2.14" | - |
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
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.0 Search vendor "Opensuse" for product "Leap" and version "15.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||