Linux Kernel fs/f2fs/data.c f2fs_write_end_io null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been classified as problematic. This vulnerability affects the function f2fs_write_end_io of the file fs/f2fs/data.c. This manipulation causes null pointer dereference.
The identification of this vulnerability is CVE-2023-2898. There is no exploit available.
It is suggested to install a patch to address this issue.
Details
A vulnerability classified as problematic was found in Linux Kernel (Operating System) (unknown version). Affected by this vulnerability is the function f2fs_write_end_io of the file fs/f2fs/data.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.
The weakness was shared 05/25/2023. The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2023-2898 since 05/25/2023. Technical details are known, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.1VulDB Meta Temp Score: 4.0
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.7
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: lore.kernel.org
Timeline
05/25/2023 🔍05/25/2023 🔍
05/25/2023 🔍
06/21/2023 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2023-2898 (🔍)
GCVE (CVE): GCVE-0-2023-2898
GCVE (VulDB): GCVE-100-229969
Entry
Created: 05/25/2023 22:29Updated: 06/21/2023 06:44
Changes: 05/25/2023 22:29 (40), 06/21/2023 06:34 (1), 06/21/2023 06:44 (11)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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