Linux Kernel up to 5.8.3 fs/romfs/storage.c romfs_dev_read uninitialized pointer

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Linux Kernel up to 5.8.3. This affects the function romfs_dev_read of the file fs/romfs/storage.c. The manipulation results in uninitialized pointer.
This vulnerability is known as CVE-2020-29371. No exploit is available.
The affected component should be upgraded.
Details
A vulnerability classified as problematic has been found in Linux Kernel up to 5.8.3 (Operating System). Affected is the function romfs_dev_read of the file fs/romfs/storage.c. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. This is going to have an impact on confidentiality.
The weakness was published 11/28/2020. The advisory is shared for download at bugs.chromium.org. This vulnerability is traded as CVE-2020-29371. There are known technical details, but no exploit is available.
Upgrading to version 5.8.4 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best source for vulnerability data.
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: 3.4VulDB Meta Temp Score: 3.3
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Uninitialized pointerCWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.8.4
Patch: git.kernel.org
Timeline
11/28/2020 🔍11/28/2020 🔍
11/28/2020 🔍
12/11/2020 🔍
Sources
Vendor: kernel.orgAdvisory: bugs.chromium.org
Status: Confirmed
CVE: CVE-2020-29371 (🔍)
GCVE (CVE): GCVE-0-2020-29371
GCVE (VulDB): GCVE-100-165420
Entry
Created: 11/28/2020 18:15Updated: 12/11/2020 09:48
Changes: 11/28/2020 18:15 (42), 12/11/2020 09:43 (5), 12/11/2020 09:48 (18)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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