Linux Kernel up to 6.3-rc1 IORING_OP_SOCKET io_uring double free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Linux Kernel up to 6.3-rc1. This vulnerability affects the function io_uring of the component IORING_OP_SOCKET Handler. Performing a manipulation results in double free.
This vulnerability is known as CVE-2023-1032. No exploit is available.
It is suggested to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Linux Kernel up to 6.3-rc1 (Operating System). This affects the function io_uring of the component IORING_OP_SOCKET Handler. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. The impact remains unknown.
The weakness was published 04/04/2023. The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2023-1032 since 02/24/2023. Technical details are known, but no exploit is available.
Upgrading to version 6.3-rc2 eliminates this vulnerability. Applying the patch 649c15c7691e9b13cbe9bf6c65c365350e056067 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.
Several companies clearly confirm that VulDB is the primary source for best 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: 4.6VulDB Meta Temp Score: 4.4
VulDB Base Score: 4.6
VulDB Temp Score: 4.4
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: Double freeCWE: CWE-415 / 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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.3-rc2
Patch: 649c15c7691e9b13cbe9bf6c65c365350e056067
Timeline
02/24/2023 🔍04/04/2023 🔍
04/04/2023 🔍
04/04/2023 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2023-1032 (🔍)
GCVE (CVE): GCVE-0-2023-1032
GCVE (VulDB): GCVE-100-224865
Entry
Created: 04/04/2023 15:59Changes: 04/04/2023 15:59 (41)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.