CVE-2023-2430 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

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 none

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:6.2:-::::::
	cpe:2.3:o:linux:linux_kernel:6.2:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.2:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.2:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.2:rc4::::::

No data.

References

Link	Providers
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8
https://nvd.nist.gov/vuln/detail/CVE-2023-2430
https://www.cve.org/CVERecord?id=CVE-2023-2430
https://www.debian.org/security/2023/dsa-5492

History

Thu, 06 Mar 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-07-23T00:00:00.000Z

Updated: 2025-03-06T21:37:09.922Z

Reserved: 2023-04-30T00:00:00.000Z

Link: CVE-2023-2430

Vulnrichment

Updated: 2024-08-02T06:19:15.243Z

NVD

Status : Modified

Published: 2023-07-23T02:15:11.257

Modified: 2025-03-06T22:15:34.673

Link: CVE-2023-2430

Redhat

Severity : Moderate

Publid Date: 2023-01-19T06:30:00Z

Links: CVE-2023-2430 - Bugzilla

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{"acknowledgement": "Red Hat would like to thank Gengjia Chen (IceSword Lab) and Xingyuan Mo (IceSword Lab) for reporting this issue.", "bugzilla": {"description": "kernel: missing lock in io_uring/msg_ring.c for IOPOLL in io_uring cause denial of service", "id": "2192175", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2192175"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-667", "details": ["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.", "A vulnerability was found due to a missing lock for the IOPOLL in io_cqring_event_overflow() in io_uring.c in the Linux kernel. This flaw allows a local attacker with user privileges to trigger a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-2430", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-01-19T06:30:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-2430\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-2430\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8"], "threat_severity": "Moderate"}