CVE-2023-0468

Summary

CVECVE-2023-0468
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-01-26 21:18:00 UTC
Updated2023-02-01 15:59:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
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

References

ReferenceSourceLinkTags
2164024 – (CVE-2023-0468) CVE-2023-0468 Kernel: use-after-free in io_uring poll events due to race condition MISC bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 183978 Debian Security Update for linux (CVE-2023-0468)
  • 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)
  • 199294 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6024-1)
  • 199330 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6072-1)
  • 199334 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6071-1)
  • 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)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report