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Vulnerability · Published Apr 24, 2023 · Assigned by mitre

CVE-2023-31085

Medium 5.5

In plain English

A medium-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 67.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2023-31085
Debian:13linuxno fix listedDEBIAN-CVE-2023-31085
Debian:14linuxno fix listedDEBIAN-CVE-2023-31085
Ubuntu:22.04:LTSlinux5.15.0-89.99UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux5.15.0-89.99USN-6496-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-aws5.15.0-1050.55UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-aws5.15.0-1050.55USN-6496-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1016.16~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1016.16~22.04.1USN-6502-1
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure5.15.0-1052.60UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure5.15.0-1052.60USN-6496-2
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1017.17~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1017.17~22.04.1USN-6502-4
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1052.60.1USN-6496-2
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1052.60.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-fde-6.26.2.0-1017.17~22.04.1.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-azure-fde-6.26.2.0-1017.17~22.04.1.1USN-6502-4
Ubuntu:22.04:LTSlinux-gcp5.15.0-1047.55USN-6496-2
Ubuntu:22.04:LTSlinux-gcp5.15.0-1047.55UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-gcp-6.26.2.0-1019.21~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-gcp-6.26.2.0-1019.21~22.04.1USN-6502-4
Ubuntu:22.04:LTSlinux-gke5.15.0-1047.52USN-6496-2
Ubuntu:22.04:LTSlinux-gke5.15.0-1047.52UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1033.39USN-6496-2
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1033.39UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-37.38~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-37.38~22.04.1USN-6502-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1043.46UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-ibm5.15.0-1043.46USN-6496-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1045.51UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1045.51USN-6516-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1047.52USN-6496-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1047.52UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-89.99UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-89.99USN-6496-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1017.17~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1017.17~22.04.1USN-6502-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1041.41USN-6496-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1041.41UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1012.12UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1012.12USN-6502-3
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1007.7UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1020.20UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1007.7UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1025.25USN-6461-1
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1025.25UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1008.8USN-6503-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1008.8UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-oracle5.15.0-1048.54USN-6496-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1048.54UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-raspi5.15.0-1043.46UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-raspi5.15.0-1043.46USN-6496-1
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-starfive-6.26.2.0-1009.10~22.04.1UBUNTU-CVE-2023-31085
Ubuntu:22.04:LTSlinux-starfive-6.26.2.0-1009.10~22.04.1USN-6520-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-31085

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References