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Vulnerability · Published Jul 26, 2023 · Assigned by canonical

CVE-2023-32629

High 7.8

In plain English

A high-severity incorrect authorization in Ubuntu Kernel from Canonical. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.3% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)8.3%top 5.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Metasploit, Public PoC

Official description

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSlinux5.15.0-177.187UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux5.15.0-177.187USN-8255-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1106.113USN-8255-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1106.113UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-aws-5.195.19.0-1029.30~22.04.1USN-6260-1
Ubuntu:22.04:LTSlinux-aws-5.195.19.0-1029.30~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-aws-6.26.2.0-1008.8~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure5.15.0-1111.120USN-8255-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1111.120UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure-6.26.2.0-1008.8~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1114.123UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gcp5.15.0-1106.115USN-8255-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1106.115UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gcp-5.195.19.0-1030.32~22.04.1USN-6260-1
Ubuntu:22.04:LTSlinux-gcp-5.195.19.0-1030.32~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gcp-6.26.2.0-1010.10~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gke5.15.0-1102.108USN-8255-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1102.108UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1089.97USN-8255-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1089.97UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-hwe-5.195.19.0-50.50USN-6260-1
Ubuntu:22.04:LTSlinux-hwe-5.195.19.0-50.50UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-hwe-6.26.2.0-26.26~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-ibm5.15.0-1100.103UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-ibm5.15.0-1100.103USN-8255-1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1101.107USN-8255-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1101.107UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-kvm5.15.0-1098.103UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-kvm5.15.0-1098.103USN-8255-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-177.187UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-177.187USN-8255-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.195.19.0-1030.30UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.26.2.0-1009.9~22.04.1UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1101.102USN-8255-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1101.102UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1009.9UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1058.58USN-8255-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1058.58UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1047.47UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1047.47USN-8255-1
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-oem-6.06.0.0-1020.20USN-6248-1
Ubuntu:22.04:LTSlinux-oem-6.06.0.0-1020.20UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1019.19UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-oem-6.16.1.0-1019.19USN-6285-1
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-oracle5.15.0-1103.109USN-8255-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1103.109UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-raspi5.15.0-1100.103UBUNTU-CVE-2023-32629
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1070.74UBUNTU-CVE-2023-32629
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1070.74USN-8275-1

Affected products (as reported)

VendorProductVersions
Canonical Ubuntu Kernel see references

Weakness: CWE-863 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References