Debian Security Bug TrackerDEBIANCVE:CVE-2023-21400CVE-2023-21400
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 5.18.2-1 | linux_5.18.2-1_all.deb |
| Debian | 11 | all | linux | < 5.10.191-1 | linux_5.10.191-1_all.deb |
| Debian | 999 | all | linux | < 5.18.2-1 | linux_5.18.2-1_all.deb |
| Debian | 13 | all | linux | < 5.18.2-1 | linux_5.18.2-1_all.deb |
Related
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%