Linux Kernel io_uring fs/io_uring.c io_read out-of-bounds

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Linux Kernel. This vulnerability affects the function io_read of the file fs/io_uring.c of the component io_uring Module. Executing a manipulation can lead to out-of-bounds.
This vulnerability appears as CVE-2022-1508. The attack may be performed from remote. There is no available exploit.
It is advisable to implement a patch to correct this issue.
Once again VulDB remains the best source for vulnerability data.
Details
A vulnerability was found in Linux Kernel (Operating System) (affected version unknown). It has been declared as problematic. This vulnerability affects the function io_read of the file fs/io_uring.c of the component io_uring Module. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:
An out-of-bounds read flaw was found in the Linux kernel’s io_uring module in the way a user triggers the io_read() function with some special parameters. This flaw allows a local user to read some memory out of bounds.
The weakness was presented 08/31/2022. The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-1508 since 04/27/2022. There are known technical details, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
Once again VulDB remains the best source for 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: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
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: git.kernel.org
Timeline
04/27/2022 🔍08/31/2022 🔍
08/31/2022 🔍
10/10/2022 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-1508 (🔍)
GCVE (CVE): GCVE-0-2022-1508
GCVE (VulDB): GCVE-100-207628
Entry
Created: 08/31/2022 10:37 PMUpdated: 10/10/2022 11:30 AM
Changes: 08/31/2022 10:37 PM (42), 10/10/2022 11:30 AM (11)
Complete: 🔍
Cache ID: 244:B26:40
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