vulnerability

Ubuntu: (Multiple Advisories) (CVE-2023-31085): Linux kernel (OEM) vulnerabilities

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Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Apr 24, 2023
Added
Nov 1, 2023
Modified
Jan 28, 2025

Description

An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0.

Solution(s)

ubuntu-upgrade-linux-image-4-15-0-1126-oracleubuntu-upgrade-linux-image-4-15-0-1147-kvmubuntu-upgrade-linux-image-4-15-0-1157-gcpubuntu-upgrade-linux-image-4-15-0-1163-awsubuntu-upgrade-linux-image-4-15-0-1172-azureubuntu-upgrade-linux-image-4-15-0-220-genericubuntu-upgrade-linux-image-4-15-0-220-lowlatencyubuntu-upgrade-linux-image-4-4-0-1125-awsubuntu-upgrade-linux-image-4-4-0-1126-kvmubuntu-upgrade-linux-image-4-4-0-1163-awsubuntu-upgrade-linux-image-4-4-0-248-genericubuntu-upgrade-linux-image-4-4-0-248-lowlatencyubuntu-upgrade-linux-image-5-15-0-1033-gkeopubuntu-upgrade-linux-image-5-15-0-1041-nvidiaubuntu-upgrade-linux-image-5-15-0-1041-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1043-ibmubuntu-upgrade-linux-image-5-15-0-1043-raspiubuntu-upgrade-linux-image-5-15-0-1045-intel-iotgubuntu-upgrade-linux-image-5-15-0-1047-gcpubuntu-upgrade-linux-image-5-15-0-1047-gkeubuntu-upgrade-linux-image-5-15-0-1047-kvmubuntu-upgrade-linux-image-5-15-0-1048-oracleubuntu-upgrade-linux-image-5-15-0-1050-awsubuntu-upgrade-linux-image-5-15-0-1052-azureubuntu-upgrade-linux-image-5-15-0-1052-azure-fdeubuntu-upgrade-linux-image-5-15-0-89-genericubuntu-upgrade-linux-image-5-15-0-89-generic-64kubuntu-upgrade-linux-image-5-15-0-89-generic-lpaeubuntu-upgrade-linux-image-5-15-0-89-lowlatencyubuntu-upgrade-linux-image-5-15-0-89-lowlatency-64kubuntu-upgrade-linux-image-5-4-0-1026-iotubuntu-upgrade-linux-image-5-4-0-1034-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1061-ibmubuntu-upgrade-linux-image-5-4-0-1075-bluefieldubuntu-upgrade-linux-image-5-4-0-1081-gkeopubuntu-upgrade-linux-image-5-4-0-1098-raspiubuntu-upgrade-linux-image-5-4-0-1103-kvmubuntu-upgrade-linux-image-5-4-0-1113-oracleubuntu-upgrade-linux-image-5-4-0-1114-awsubuntu-upgrade-linux-image-5-4-0-1118-gcpubuntu-upgrade-linux-image-5-4-0-1120-azureubuntu-upgrade-linux-image-5-4-0-167-genericubuntu-upgrade-linux-image-5-4-0-167-generic-lpaeubuntu-upgrade-linux-image-5-4-0-167-lowlatencyubuntu-upgrade-linux-image-6-1-0-1025-oemubuntu-upgrade-linux-image-6-2-0-1009-starfiveubuntu-upgrade-linux-image-6-2-0-1012-nvidiaubuntu-upgrade-linux-image-6-2-0-1012-nvidia-64kubuntu-upgrade-linux-image-6-2-0-1016-awsubuntu-upgrade-linux-image-6-2-0-1016-oracleubuntu-upgrade-linux-image-6-2-0-1017-azureubuntu-upgrade-linux-image-6-2-0-1017-azure-fdeubuntu-upgrade-linux-image-6-2-0-1017-kvmubuntu-upgrade-linux-image-6-2-0-1017-lowlatencyubuntu-upgrade-linux-image-6-2-0-1017-lowlatency-64kubuntu-upgrade-linux-image-6-2-0-1017-raspiubuntu-upgrade-linux-image-6-2-0-1019-gcpubuntu-upgrade-linux-image-6-2-0-37-genericubuntu-upgrade-linux-image-6-2-0-37-generic-64kubuntu-upgrade-linux-image-6-2-0-37-generic-lpaeubuntu-upgrade-linux-image-6-5-0-1004-starfiveubuntu-upgrade-linux-image-6-5-0-1006-laptopubuntu-upgrade-linux-image-6-5-0-1007-raspiubuntu-upgrade-linux-image-6-5-0-1008-oemubuntu-upgrade-linux-image-6-5-0-1009-azureubuntu-upgrade-linux-image-6-5-0-1009-azure-fdeubuntu-upgrade-linux-image-6-5-0-1010-awsubuntu-upgrade-linux-image-6-5-0-1010-gcpubuntu-upgrade-linux-image-6-5-0-1012-oracleubuntu-upgrade-linux-image-6-5-0-13-genericubuntu-upgrade-linux-image-6-5-0-13-generic-64kubuntu-upgrade-linux-image-6-5-0-13-lowlatencyubuntu-upgrade-linux-image-6-5-0-13-lowlatency-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fde-lts-22-04ubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-generic-lpae-hwe-22-04ubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-laptop-23-10ubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04ubuntu-upgrade-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