CVE-2023-0468

Published on: Not Yet Published

Last Modified on: 02/01/2023 03:59:00 PM UTC

CVE-2023-0468

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

Certain versions of Linux Kernel from Linux contain the following vulnerability:

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.

CVE-2023-0468 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 4.7 - MEDIUM

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
LOCAL	HIGH	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	NONE	NONE	HIGH

CVE References

Description	Tags ^ⓘ	Link
2164024 – (CVE-2023-0468) CVE-2023-0468 Kernel: use-after-free in io_uring poll events due to race condition	bugzilla.redhat.com text/html	MISC bugzilla.redhat.com/show_bug.cgi?id=2164024

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Related QID Numbers

199209 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5912-1)
199223 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5935-1)
199227 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5938-1)
199229 Ubuntu Security Notification for Linux kernel (KVM) Vulnerabilities (USN-5941-1)
199243 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-5962-1)
905360 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13162)
905364 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13169)
906388 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (13169-2)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Linux	Linux Kernel	All	All	All	All
Operating System	Linux	Linux Kernel	6.1	-	All	All
Operating System	Linux	Linux Kernel	6.1	rc1	All	All
Operating System	Linux	Linux Kernel	6.1	rc2	All	All
Operating System	Linux	Linux Kernel	6.1	rc3	All	All
Operating System	Linux	Linux Kernel	6.1	rc4	All	All
Operating System	Linux	Linux Kernel	6.1	rc5	All	All
Operating System	Linux	Linux Kernel	6.1	rc6	All	All

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 vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2023-0468 : A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcompo… twitter.com/i/web/status/1…	2023-01-26 21:51:59