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Vulnerability · Published Apr 3, 2024 · Assigned by Linux

CVE-2024-26734devlink: fix possible use-after-free and memory leaks in devlink_init()

High 7.0

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 3.1)7.0High
Exploit odds (30 days)0.2%top 84.9% 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: devlink: fix possible use-after-free and memory leaks in devlink_init() The pernet operations structure for the subsystem must be registered before registering the generic netlink family. Make an unregister in case of unsuccessful registration.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.7.7-1DEBIAN-CVE-2024-26734
Debian:14linux6.7.7-1DEBIAN-CVE-2024-26734
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1023.23~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1024.25~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1024.26~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-44.44~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-44.44.1~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1023.24UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1027.28UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1026.26~22.04.1UBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-26734
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1017.18~22.04.1UBUNTU-CVE-2024-26734

Affected products (as reported)

VendorProductVersions
Linux Linux 687125b5799cd5120437fa455cfccbe8537916ff – before 919092bd5482b7070ae66d1daef73b600738f3a2687125b5799cd5120437fa455cfccbe8537916ff – before e91d3561e28d7665f4f837880501dc8755f635a9687125b5799cd5120437fa455cfccbe8537916ff – before def689fc26b9a9622d2e2cb0c4933dd3b1c8071c
Linux Linux 6.3

References