CVE-2023-0468 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

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::::::

No data.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=2164024
https://github.com/torvalds/linux/commit/12ad3d2d6c5b0131a6052de91360849e3e154846
https://github.com/torvalds/linux/commit/a26a35e9019fd70bf3cf647dcfdae87abc7bacea
https://nvd.nist.gov/vuln/detail/CVE-2023-0468
https://www.cve.org/CVERecord?id=CVE-2023-0468

History

Tue, 01 Apr 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-01-25T00:00:00.000Z

Updated: 2025-04-01T15:06:39.092Z

Reserved: 2023-01-24T00:00:00.000Z

Link: CVE-2023-0468

Vulnrichment

Updated: 2024-08-02T05:10:56.179Z

NVD

Status : Modified

Published: 2023-01-26T21:18:09.347

Modified: 2025-04-01T15:15:57.597

Link: CVE-2023-0468

Redhat

Severity : Low

Publid Date: 2022-11-22T06:30:00Z

Links: CVE-2023-0468 - Bugzilla

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