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nvd[email protected]NVD:CVE-2023-2430
HistoryJul 23, 2023 - 2:15 a.m.

CVE-2023-2430

2023-07-2302:15:11
CWE-413
CWE-667
web.nvd.nist.gov
1
vulnerability
linux kernel
io_uring.c
iopoll flaw
denial of service

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.

Affected configurations

NVD
Node
linuxlinux_kernelRange<6.2
OR
linuxlinux_kernelMatch6.2-
OR
linuxlinux_kernelMatch6.2rc1
OR
linuxlinux_kernelMatch6.2rc2
OR
linuxlinux_kernelMatch6.2rc3
OR
linuxlinux_kernelMatch6.2rc4

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%