Linux Kernel up to 5.15.11 Inode fs/f2fs/xattr.c __f2fs_setxattr out-of-bounds

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.15.11. Affected by this vulnerability is the function __f2fs_setxattr of the file fs/f2fs/xattr.c of the component Inode Handler. Such manipulation leads to out-of-bounds.
This vulnerability is uniquely identified as CVE-2021-45469. No exploit exists.
A patch should be applied to remediate this issue.
Details
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.15.11 (Operating System). Affected by this issue is the function __f2fs_setxattr of the file fs/f2fs/xattr.c of the component Inode Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.
The weakness was disclosed 12/24/2021. The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2021-45469 since 12/23/2021. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 236670 (Alibaba Cloud Linux 3 : 0125: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0125)), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the vulnerability database at Tenable (236670). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236670
Nessus Name: Alibaba Cloud Linux 3 : 0125: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0125)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
12/23/2021 🔍12/24/2021 🔍
12/24/2021 🔍
05/18/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2021-45469 (🔍)
GCVE (CVE): GCVE-0-2021-45469
GCVE (VulDB): GCVE-100-189002
Entry
Created: 12/24/2021 04:38Updated: 05/18/2025 18:27
Changes: 12/24/2021 04:38 (42), 12/26/2021 15:32 (1), 05/18/2025 18:27 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.