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Redhat.comRH:CVE-2023-21400HistoryJul 19, 2023 - 4:06 p.m.
CVE-2023-21400
2023-07-1916:06:51
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cve-2023-21400
double-free vulnerability
linux kernel
io_uring subsystem
local user
crash
elevate privileges
security issue
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
0.0004 Low
EPSS
Percentile
5.1%
A double-free vulnerability was found in the io_uring subsystem in the Linux kernel. This issue may allow a malicious local user to crash the kernel or elevate their privileges on the system.
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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
0.0004 Low
EPSS
Percentile
5.1%
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