| CVE-2023-21400 | Date: (C)2023-07-14 (M)2024-04-30 |
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 6.7 | CVSS Score : |
| Exploit Score: 0.8 | Exploit Score: |
| Impact Score: 5.9 | Impact Score: |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: LOCAL | Access Vector: |
| Attack Complexity: LOW | Access Complexity: |
| Privileges Required: HIGH | Authentication: |
| User Interaction: NONE | Confidentiality: |
| Scope: UNCHANGED | Integrity: |
| Confidentiality: HIGH | Availability: |
| Integrity: HIGH | |
| Availability: HIGH | |
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