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Vulnerability · Published May 13, 2024 · Assigned by Linux

CVE-2023-52656io_uring: drop any code related to SCM_RIGHTS

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: io_uring: drop any code related to SCM_RIGHTS This is dead code after we dropped support for passing io_uring fds over SCM_RIGHTS, get rid of it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.85-1DEBIAN-CVE-2023-52656
Debian:13linux6.7.12-1DEBIAN-CVE-2023-52656
Debian:14linux6.7.12-1DEBIAN-CVE-2023-52656
Ubuntu:22.04:LTSlinux5.15.0-112.122UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux5.15.0-112.122USN-6820-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-aws5.15.0-1063.69USN-6821-3
Ubuntu:22.04:LTSlinux-aws5.15.0-1063.69UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure5.15.0-1066.75UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure5.15.0-1066.75USN-6821-4
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1065.74.1USN-6821-4
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1067.76.1UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gcp5.15.0-1062.70UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gcp5.15.0-1062.70USN-6820-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gke5.15.0-1060.66USN-6821-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1060.66UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1046.53UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1046.53USN-6821-2
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-ibm5.15.0-1056.59USN-6821-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1056.59UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1058.64UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1058.64USN-6821-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1060.65UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-kvm5.15.0-1060.65USN-6821-2
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-110.120USN-6820-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-110.120UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1058.59USN-6820-2
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1058.59UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1026.26UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oracle5.15.0-1061.67USN-6821-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1061.67UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-raspi5.15.0-1058.61UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-raspi5.15.0-1058.61USN-6919-1
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2023-52656
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34USN-6820-1

Affected products (as reported)

VendorProductVersions
Linux Linux 2b188cc1bb857a9d4701ae59aa7768b5124e262e – before cfb24022bb2c31f1f555dc6bc3cc5e2547446fb32b188cc1bb857a9d4701ae59aa7768b5124e262e – before a6771f343af90a25f3a14911634562bb5621df022b188cc1bb857a9d4701ae59aa7768b5124e262e – before d909d381c3152393421403be4b6435f17a2378b42b188cc1bb857a9d4701ae59aa7768b5124e262e – before a3812a47a32022ca76bf46ddacdd823dc2aabf8b2b188cc1bb857a9d4701ae59aa7768b5124e262e – before 6fc19b3d8a45ff0e5d50ec8184cee1d5eac1a8ba2b188cc1bb857a9d4701ae59aa7768b5124e262e – before 88c49d9c896143cdc0f77197c4dcf24140375e892b188cc1bb857a9d4701ae59aa7768b5124e262e – before 6e5e6d274956305f1fc0340522b38f5f5be74bdb
Linux Linux 5.1

References