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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2023-52795vhost-vdpa: fix use after free in vhost_vdpa_probe()

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 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 84.6% 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: vhost-vdpa: fix use after free in vhost_vdpa_probe() The put_device() calls vhost_vdpa_release_dev() which calls ida_simple_remove() and frees "v". So this call to ida_simple_remove() is a use after free and a double free.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.64-1DEBIAN-CVE-2023-52795
Debian:13linux6.6.8-1DEBIAN-CVE-2023-52795
Debian:14linux6.6.8-1DEBIAN-CVE-2023-52795
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1014.14UBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-52795
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-52795

Affected products (as reported)

VendorProductVersions
Linux Linux ebe6a354fa7e0a7d5b581da31ad031b19d8693f9 – before c0f8b8fb7df9d1a38652eb5aa817afccd3c56111ebe6a354fa7e0a7d5b581da31ad031b19d8693f9 – before ae8ea4e200675a940c365b496ef8e3fb4123601cebe6a354fa7e0a7d5b581da31ad031b19d8693f9 – before bf04132cd64ccde4e9e9765d489c83fe83c09b7febe6a354fa7e0a7d5b581da31ad031b19d8693f9 – before e07754e0a1ea2d63fb29574253d1fd7405607343
Linux Linux 6.0

References