🛡️ UBUNTU-CVE-2023-0468
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2023-01-26
Updated 2026-06-15
Modified 2026-04-22
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 5.15.0-67.74
linux-aws 5.15.0-1031.35
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15 5.15.0-1031.35~20.04.1
linux-aws-5.3
linux-aws-5.8
linux-azure 5.15.0-1034.41
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15 5.15.0-1034.41~20.04.1
linux-azure-5.19 5.19.0-1023.24~22.04.1
linux-azure-5.3
linux-azure-5.8
linux-azure-edge
linux-azure-fde 5.15.0-1034.41.1
linux-azure-fde-5.15 5.15.0-1034.41~20.04.1.2
linux-bluefield 5.15.0-1014.16
linux-gcp 5.15.0-1030.37
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15 5.15.0-1030.37~20.04.1
linux-gcp-5.3
linux-gcp-5.8
linux-gke 5.15.0-1028.33
linux-gke-4.15
linux-gke-5.15 5.15.0-1028.33~20.04.1
linux-gke-5.4
linux-gkeop 5.15.0-1016.21
linux-gkeop-5.15 5.15.0-1016.21~20.04.1
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15 5.15.0-67.74~20.04.1
linux-hwe-5.19 5.19.0-40.41~22.04.1
linux-hwe-5.8
linux-hwe-edge
linux-ibm 5.15.0-1026.29
linux-intel-5.13
linux-intel-iot-realtime 5.15.0-1022.27
linux-intel-iotg 5.15.0-1026.31
linux-intel-iotg-5.15 5.15.0-1026.31~20.04.1
linux-kvm 5.15.0-1029.34
linux-lowlatency 5.15.0-67.74
linux-lowlatency-hwe-5.15 5.15.0-67.74~20.04.1
linux-lowlatency-hwe-5.19 5.19.0-1022.23~22.04.1
linux-nvidia 5.15.0-1023.23
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.17 5.17.0-1031.32
linux-oem-5.6
linux-oem-6.0 6.0.0-1015.15
linux-oracle 5.15.0-1030.36
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15 5.15.0-1030.36~20.04.1
linux-oracle-5.3
linux-oracle-5.8
linux-raspi 5.15.0-1025.27
linux-raspi-realtime
linux-raspi2
linux-realtime 5.15.0-1033.36
linux-riscv
linux-riscv-5.11
linux-riscv-5.15 5.15.0-1030.34~20.04.1
linux-riscv-5.8

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