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Misconfiguration
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CVE Vulnerabilities

CVE-2022-40476

NULL Pointer Dereference

Published: Sep 14, 2022 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
5.5 MODERATE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-40476
CWEhttps://cwe.mitre.org/data/definitions/476.html

A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*5.15.62 (excluding)
LinuxUbuntutrusty*
LinuxUbuntuupstream*
LinuxUbuntuxenial*
Linux-allwinnerUbuntuupstream*
Linux-allwinner-5.19Ubuntuupstream*
Linux-awsUbuntutrusty*
Linux-awsUbuntuupstream*
Linux-awsUbuntuxenial*
Linux-aws-5.0Ubuntubionic*
Linux-aws-5.0Ubuntuesm-infra/bionic*
Linux-aws-5.0Ubuntutrusty*
Linux-aws-5.0Ubuntuupstream*
Linux-aws-5.0Ubuntuxenial*
Linux-aws-5.11Ubuntuesm-infra/focal*
Linux-aws-5.11Ubuntufocal*
Linux-aws-5.11Ubuntutrusty*
Linux-aws-5.11Ubuntuupstream*
Linux-aws-5.11Ubuntuxenial*
Linux-aws-5.13Ubuntuesm-infra/focal*
Linux-aws-5.13Ubuntufocal*
Linux-aws-5.13Ubuntutrusty*
Linux-aws-5.13Ubuntuupstream*
Linux-aws-5.13Ubuntuxenial*
Linux-aws-5.15Ubuntutrusty*
Linux-aws-5.15Ubuntuupstream*
Linux-aws-5.15Ubuntuxenial*
Linux-aws-5.19Ubuntuupstream*
Linux-aws-5.3Ubuntubionic*
Linux-aws-5.3Ubuntuesm-infra/bionic*
Linux-aws-5.3Ubuntutrusty*
Linux-aws-5.3Ubuntuupstream*
Linux-aws-5.3Ubuntuxenial*
Linux-aws-5.4Ubuntutrusty*
Linux-aws-5.4Ubuntuupstream*
Linux-aws-5.4Ubuntuxenial*
Linux-aws-5.8Ubuntuesm-infra/focal*
Linux-aws-5.8Ubuntufocal*
Linux-aws-5.8Ubuntutrusty*
Linux-aws-5.8Ubuntuupstream*
Linux-aws-5.8Ubuntuxenial*
Linux-aws-6.2Ubuntuupstream*
Linux-aws-6.5Ubuntuupstream*
Linux-aws-fipsUbuntutrusty*
Linux-aws-fipsUbuntuupstream*
Linux-aws-fipsUbuntuxenial*
Linux-aws-hweUbuntutrusty*
Linux-aws-hweUbuntuupstream*
Linux-aws-hweUbuntuxenial*
Linux-azureUbuntubionic*
Linux-azureUbuntuesm-infra/bionic*
Linux-azureUbuntutrusty*
Linux-azureUbuntuupstream*
Linux-azureUbuntuxenial*
Linux-azure-4.15Ubuntutrusty*
Linux-azure-4.15Ubuntuupstream*
Linux-azure-4.15Ubuntuxenial*
Linux-azure-5.11Ubuntuesm-infra/focal*
Linux-azure-5.11Ubuntufocal*
Linux-azure-5.11Ubuntutrusty*
Linux-azure-5.11Ubuntuupstream*
Linux-azure-5.11Ubuntuxenial*
Linux-azure-5.13Ubuntuesm-infra/focal*
Linux-azure-5.13Ubuntufocal*
Linux-azure-5.13Ubuntutrusty*
Linux-azure-5.13Ubuntuupstream*
Linux-azure-5.13Ubuntuxenial*
Linux-azure-5.15Ubuntutrusty*
Linux-azure-5.15Ubuntuupstream*
Linux-azure-5.15Ubuntuxenial*
Linux-azure-5.19Ubuntuupstream*
Linux-azure-5.3Ubuntubionic*
Linux-azure-5.3Ubuntuesm-infra/bionic*
Linux-azure-5.3Ubuntutrusty*
Linux-azure-5.3Ubuntuupstream*
Linux-azure-5.3Ubuntuxenial*
Linux-azure-5.4Ubuntutrusty*
Linux-azure-5.4Ubuntuupstream*
Linux-azure-5.4Ubuntuxenial*
Linux-azure-5.8Ubuntuesm-infra/focal*
Linux-azure-5.8Ubuntufocal*
Linux-azure-5.8Ubuntutrusty*
Linux-azure-5.8Ubuntuupstream*
Linux-azure-5.8Ubuntuxenial*
Linux-azure-6.2Ubuntuupstream*
Linux-azure-6.5Ubuntuupstream*
Linux-azure-edgeUbuntubionic*
Linux-azure-edgeUbuntuesm-infra/bionic*
Linux-azure-edgeUbuntutrusty*
Linux-azure-edgeUbuntuupstream*
Linux-azure-edgeUbuntuxenial*
Linux-azure-fdeUbuntutrusty*
Linux-azure-fdeUbuntuupstream*
Linux-azure-fdeUbuntuxenial*
Linux-azure-fde-5.15Ubuntuupstream*
Linux-azure-fde-5.19Ubuntuupstream*
Linux-azure-fde-6.2Ubuntuupstream*
Linux-azure-fipsUbuntutrusty*
Linux-azure-fipsUbuntuupstream*
Linux-azure-fipsUbuntuxenial*
Linux-bluefieldUbuntutrusty*
Linux-bluefieldUbuntuupstream*
Linux-bluefieldUbuntuxenial*
Linux-dell300xUbuntutrusty*
Linux-dell300xUbuntuupstream*
Linux-dell300xUbuntuxenial*
Linux-fipsUbuntuupstream*
Linux-gcpUbuntubionic*
Linux-gcpUbuntuesm-infra/bionic*
Linux-gcpUbuntutrusty*
Linux-gcpUbuntuupstream*
Linux-gcpUbuntuxenial*
Linux-gcp-4.15Ubuntutrusty*
Linux-gcp-4.15Ubuntuupstream*
Linux-gcp-4.15Ubuntuxenial*
Linux-gcp-5.11Ubuntuesm-infra/focal*
Linux-gcp-5.11Ubuntufocal*
Linux-gcp-5.11Ubuntutrusty*
Linux-gcp-5.11Ubuntuupstream*
Linux-gcp-5.11Ubuntuxenial*
Linux-gcp-5.13Ubuntuesm-infra/focal*
Linux-gcp-5.13Ubuntufocal*
Linux-gcp-5.13Ubuntutrusty*
Linux-gcp-5.13Ubuntuupstream*
Linux-gcp-5.13Ubuntuxenial*
Linux-gcp-5.15Ubuntutrusty*
Linux-gcp-5.15Ubuntuupstream*
Linux-gcp-5.15Ubuntuxenial*
Linux-gcp-5.19Ubuntuupstream*
Linux-gcp-5.3Ubuntubionic*
Linux-gcp-5.3Ubuntuesm-infra/bionic*
Linux-gcp-5.3Ubuntutrusty*
Linux-gcp-5.3Ubuntuupstream*
Linux-gcp-5.3Ubuntuxenial*
Linux-gcp-5.4Ubuntutrusty*
Linux-gcp-5.4Ubuntuupstream*
Linux-gcp-5.4Ubuntuxenial*
Linux-gcp-5.8Ubuntuesm-infra/focal*
Linux-gcp-5.8Ubuntufocal*
Linux-gcp-5.8Ubuntutrusty*
Linux-gcp-5.8Ubuntuupstream*
Linux-gcp-5.8Ubuntuxenial*
Linux-gcp-6.2Ubuntuupstream*
Linux-gcp-6.5Ubuntuupstream*
Linux-gcp-fipsUbuntutrusty*
Linux-gcp-fipsUbuntuupstream*
Linux-gcp-fipsUbuntuxenial*
Linux-gkeUbuntutrusty*
Linux-gkeUbuntuupstream*
Linux-gkeUbuntuxenial*
Linux-gke-4.15Ubuntubionic*
Linux-gke-4.15Ubuntuesm-infra/bionic*
Linux-gke-4.15Ubuntutrusty*
Linux-gke-4.15Ubuntuupstream*
Linux-gke-4.15Ubuntuxenial*
Linux-gke-5.0Ubuntubionic*
Linux-gke-5.0Ubuntutrusty*
Linux-gke-5.0Ubuntuupstream*
Linux-gke-5.0Ubuntuxenial*
Linux-gke-5.15Ubuntutrusty*
Linux-gke-5.15Ubuntuupstream*
Linux-gke-5.15Ubuntuxenial*
Linux-gke-5.3Ubuntubionic*
Linux-gke-5.3Ubuntutrusty*
Linux-gke-5.3Ubuntuupstream*
Linux-gke-5.3Ubuntuxenial*
Linux-gke-5.4Ubuntubionic*
Linux-gke-5.4Ubuntuesm-infra/bionic*
Linux-gke-5.4Ubuntutrusty*
Linux-gke-5.4Ubuntuupstream*
Linux-gke-5.4Ubuntuxenial*
Linux-gkeopUbuntutrusty*
Linux-gkeopUbuntuupstream*
Linux-gkeopUbuntuxenial*
Linux-gkeop-5.15Ubuntuupstream*
Linux-gkeop-5.4Ubuntubionic*
Linux-gkeop-5.4Ubuntuesm-infra/bionic*
Linux-gkeop-5.4Ubuntutrusty*
Linux-gkeop-5.4Ubuntuupstream*
Linux-gkeop-5.4Ubuntuxenial*
Linux-hweUbuntubionic*
Linux-hweUbuntuesm-infra/bionic*
Linux-hweUbuntutrusty*
Linux-hweUbuntuupstream*
Linux-hweUbuntuxenial*
Linux-hwe-5.11Ubuntuesm-infra/focal*
Linux-hwe-5.11Ubuntufocal*
Linux-hwe-5.11Ubuntutrusty*
Linux-hwe-5.11Ubuntuupstream*
Linux-hwe-5.11Ubuntuxenial*
Linux-hwe-5.13Ubuntuesm-infra/focal*
Linux-hwe-5.13Ubuntufocal*
Linux-hwe-5.13Ubuntutrusty*
Linux-hwe-5.13Ubuntuupstream*
Linux-hwe-5.13Ubuntuxenial*
Linux-hwe-5.15Ubuntutrusty*
Linux-hwe-5.15Ubuntuupstream*
Linux-hwe-5.15Ubuntuxenial*
Linux-hwe-5.19Ubuntuupstream*
Linux-hwe-5.4Ubuntutrusty*
Linux-hwe-5.4Ubuntuupstream*
Linux-hwe-5.4Ubuntuxenial*
Linux-hwe-5.8Ubuntuesm-infra/focal*
Linux-hwe-5.8Ubuntufocal*
Linux-hwe-5.8Ubuntutrusty*
Linux-hwe-5.8Ubuntuupstream*
Linux-hwe-5.8Ubuntuxenial*
Linux-hwe-6.2Ubuntuupstream*
Linux-hwe-6.5Ubuntuupstream*
Linux-hwe-edgeUbuntubionic*
Linux-hwe-edgeUbuntuesm-infra/bionic*
Linux-hwe-edgeUbuntuesm-infra/xenial*
Linux-hwe-edgeUbuntutrusty*
Linux-hwe-edgeUbuntuupstream*
Linux-hwe-edgeUbuntuxenial*
Linux-ibmUbuntutrusty*
Linux-ibmUbuntuupstream*
Linux-ibmUbuntuxenial*
Linux-ibm-5.15Ubuntuupstream*
Linux-ibm-5.4Ubuntutrusty*
Linux-ibm-5.4Ubuntuupstream*
Linux-ibm-5.4Ubuntuxenial*
Linux-intelUbuntuupstream*
Linux-intel-5.13Ubuntuesm-infra/focal*
Linux-intel-5.13Ubuntufocal*
Linux-intel-5.13Ubuntutrusty*
Linux-intel-5.13Ubuntuupstream*
Linux-intel-5.13Ubuntuxenial*
Linux-intel-iotgUbuntutrusty*
Linux-intel-iotgUbuntuupstream*
Linux-intel-iotgUbuntuxenial*
Linux-intel-iotg-5.15Ubuntutrusty*
Linux-intel-iotg-5.15Ubuntuupstream*
Linux-intel-iotg-5.15Ubuntuxenial*
Linux-iotUbuntuupstream*
Linux-kvmUbuntutrusty*
Linux-kvmUbuntuupstream*
Linux-kvmUbuntuxenial*
Linux-laptopUbuntuupstream*
Linux-lowlatencyUbuntutrusty*
Linux-lowlatencyUbuntuupstream*
Linux-lowlatencyUbuntuxenial*
Linux-lowlatency-hwe-5.15Ubuntutrusty*
Linux-lowlatency-hwe-5.15Ubuntuupstream*
Linux-lowlatency-hwe-5.15Ubuntuxenial*
Linux-lowlatency-hwe-5.19Ubuntuupstream*
Linux-lowlatency-hwe-6.2Ubuntuupstream*
Linux-lowlatency-hwe-6.5Ubuntuupstream*
Linux-lts-xenialUbuntutrusty*
Linux-lts-xenialUbuntuupstream*
Linux-lts-xenialUbuntuxenial*
Linux-nvidiaUbuntuupstream*
Linux-nvidia-6.2Ubuntuupstream*
Linux-nvidia-6.5Ubuntuupstream*
Linux-oemUbuntubionic*
Linux-oemUbuntuesm-infra/bionic*
Linux-oemUbuntutrusty*
Linux-oemUbuntuupstream*
Linux-oemUbuntuxenial*
Linux-oem-5.10Ubuntuesm-infra/focal*
Linux-oem-5.10Ubuntufocal*
Linux-oem-5.10Ubuntutrusty*
Linux-oem-5.10Ubuntuupstream*
Linux-oem-5.10Ubuntuxenial*
Linux-oem-5.13Ubuntuesm-infra/focal*
Linux-oem-5.13Ubuntufocal*
Linux-oem-5.13Ubuntutrusty*
Linux-oem-5.13Ubuntuupstream*
Linux-oem-5.13Ubuntuxenial*
Linux-oem-5.14Ubuntutrusty*
Linux-oem-5.14Ubuntuupstream*
Linux-oem-5.14Ubuntuxenial*
Linux-oem-5.17Ubuntukinetic*
Linux-oem-5.17Ubuntutrusty*
Linux-oem-5.17Ubuntuupstream*
Linux-oem-5.17Ubuntuxenial*
Linux-oem-5.6Ubuntuesm-infra/focal*
Linux-oem-5.6Ubuntufocal*
Linux-oem-5.6Ubuntutrusty*
Linux-oem-5.6Ubuntuupstream*
Linux-oem-5.6Ubuntuxenial*
Linux-oem-6.0Ubuntuupstream*
Linux-oem-6.1Ubuntuupstream*
Linux-oem-6.5Ubuntuupstream*
Linux-oem-6.8Ubuntuupstream*
Linux-oem-osp1Ubuntubionic*
Linux-oem-osp1Ubuntutrusty*
Linux-oem-osp1Ubuntuupstream*
Linux-oem-osp1Ubuntuxenial*
Linux-oracleUbuntutrusty*
Linux-oracleUbuntuupstream*
Linux-oracleUbuntuxenial*
Linux-oracle-5.0Ubuntubionic*
Linux-oracle-5.0Ubuntuesm-infra/bionic*
Linux-oracle-5.0Ubuntutrusty*
Linux-oracle-5.0Ubuntuupstream*
Linux-oracle-5.0Ubuntuxenial*
Linux-oracle-5.11Ubuntuesm-infra/focal*
Linux-oracle-5.11Ubuntufocal*
Linux-oracle-5.11Ubuntutrusty*
Linux-oracle-5.11Ubuntuupstream*
Linux-oracle-5.11Ubuntuxenial*
Linux-oracle-5.13Ubuntuesm-infra/focal*
Linux-oracle-5.13Ubuntufocal*
Linux-oracle-5.13Ubuntutrusty*
Linux-oracle-5.13Ubuntuupstream*
Linux-oracle-5.13Ubuntuxenial*
Linux-oracle-5.15Ubuntuupstream*
Linux-oracle-5.3Ubuntubionic*
Linux-oracle-5.3Ubuntuesm-infra/bionic*
Linux-oracle-5.3Ubuntutrusty*
Linux-oracle-5.3Ubuntuupstream*
Linux-oracle-5.3Ubuntuxenial*
Linux-oracle-5.4Ubuntutrusty*
Linux-oracle-5.4Ubuntuupstream*
Linux-oracle-5.4Ubuntuxenial*
Linux-oracle-5.8Ubuntuesm-infra/focal*
Linux-oracle-5.8Ubuntufocal*
Linux-oracle-5.8Ubuntutrusty*
Linux-oracle-5.8Ubuntuupstream*
Linux-oracle-5.8Ubuntuxenial*
Linux-oracle-6.5Ubuntuupstream*
Linux-raspiUbuntutrusty*
Linux-raspiUbuntuupstream*
Linux-raspiUbuntuxenial*
Linux-raspi-5.4Ubuntutrusty*
Linux-raspi-5.4Ubuntuupstream*
Linux-raspi-5.4Ubuntuxenial*
Linux-raspi2Ubuntuesm-infra/focal*
Linux-raspi2Ubuntufocal*
Linux-raspi2Ubuntutrusty*
Linux-raspi2Ubuntuupstream*
Linux-raspi2Ubuntuxenial*
Linux-raspi2-5.3Ubuntubionic*
Linux-raspi2-5.3Ubuntutrusty*
Linux-raspi2-5.3Ubuntuupstream*
Linux-raspi2-5.3Ubuntuxenial*
Linux-riscvUbuntuesm-infra/focal*
Linux-riscvUbuntufocal*
Linux-riscvUbuntutrusty*
Linux-riscvUbuntuupstream*
Linux-riscvUbuntuxenial*
Linux-riscv-5.11Ubuntuesm-infra/focal*
Linux-riscv-5.11Ubuntufocal*
Linux-riscv-5.11Ubuntutrusty*
Linux-riscv-5.11Ubuntuupstream*
Linux-riscv-5.11Ubuntuxenial*
Linux-riscv-5.15Ubuntuupstream*
Linux-riscv-5.19Ubuntuupstream*
Linux-riscv-5.8Ubuntuesm-infra/focal*
Linux-riscv-5.8Ubuntufocal*
Linux-riscv-5.8Ubuntutrusty*
Linux-riscv-5.8Ubuntuupstream*
Linux-riscv-5.8Ubuntuxenial*
Linux-riscv-6.5Ubuntuupstream*
Linux-snapdragonUbuntutrusty*
Linux-snapdragonUbuntuupstream*
Linux-snapdragonUbuntuxenial*
Linux-starfiveUbuntuupstream*
Linux-starfive-5.19Ubuntuupstream*
Linux-starfive-6.2Ubuntuupstream*
Linux-starfive-6.5Ubuntuupstream*
Linux-xilinx-zynqmpUbuntuupstream*

Potential Mitigations

References

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