CVE-2023-0468

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2164024	Exploit Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2164024	Exploit Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.1:-::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc5::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc6::::::

History

21 Nov 2024, 07:37

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2164024 - Exploit, Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2164024 - Exploit, Issue Tracking, Patch, Third Party Advisory

Information

Published : 2023-01-26 21:18

Updated : 2025-04-01 15:15

NVD link : CVE-2023-0468

Mitre link : CVE-2023-0468

CVE.ORG link : CVE-2023-0468

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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4.7 /10