Use-after-free in Linux kernel - CVE-2024-26892

 

Use-after-free in Linux kernel - CVE-2024-26892

Published: May 31, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90201
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-26892
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the mt792x_irq_handler() function in drivers/net/wireless/mediatek/mt76/mt792x_dma.c, within the mt7921_pci_remove() function in drivers/net/wireless/mediatek/mt76/mt7921/pci.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Anolis OS
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for Real Time
Ubuntu
IBM Integrated Analytics System
IBM Qradar SIEM
Juniper Secure Analytics (JSA)
Storage Copy Data Management
Technical Support Appliance
IBM Cloud Pak for Watson AIOps
Storage Protect Plus Server
Red Hat OpenShift Container Platform
kernel (Red Hat package)
kernel-rt (Red Hat package)
python3-perf
kernel-doc
bpftool
kernel
kernel-core
kernel-cross-headers
kernel-debug
kernel-debug-core
kernel-debug-devel
kernel-debug-modules
kernel-debug-modules-extra
kernel-devel
kernel-headers
kernel-modules
kernel-modules-extra
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
kernel-abi-stablelists
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-35-generic (Ubuntu package)
linux-image-6.8.0-35-generic-64k (Ubuntu package)
linux-image-6.8.0-35-lowlatency (Ubuntu package)
linux-image-6.8.0-35-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1004-gke (Ubuntu package)
linux-image-6.8.0-1005-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.8.0-1006-ibm (Ubuntu package)
linux-image-6.8.0-1006-oracle (Ubuntu package)
linux-image-6.8.0-1006-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1006-oem (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-6.8.0-1008-azure-fde (Ubuntu package)
linux-image-6.8.0-1008-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
IBM Security Guardium

How to mitigate CVE-2024-26892

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.23, 6.7.11, 6.8.2
IBM Integrated Analytics System - update to 1.0.31.0
IBM Qradar SIEM - update to 7.5.0 Update Pack 9 IF01
Juniper Secure Analytics (JSA) - update to 7.5.0 UP9 IF02
Storage Copy Data Management - update to 2.2.24.1
Technical Support Appliance - update to 3.0.1
IBM Cloud Pak for Watson AIOps - update to 4.6.0
Red Hat OpenShift Container Platform - addressed in versions 4.17.29, 4.17.30, 4.18.14
kernel (Red Hat package) - update to 4.18.0-553.5.1.el8_10
kernel-rt (Red Hat package) - update to 4.18.0-553.5.1.rt7.346.el8_10
python3-perf - update to 4.18.0-553.5.1.0.1
kernel-doc - update to 4.18.0-553.5.1.0.1
bpftool - update to 4.18.0-553.5.1.0.1
kernel - update to 4.18.0-553.5.1.0.1
kernel-core - update to 4.18.0-553.5.1.0.1
kernel-cross-headers - update to 4.18.0-553.5.1.0.1
kernel-debug - update to 4.18.0-553.5.1.0.1
kernel-debug-core - update to 4.18.0-553.5.1.0.1
kernel-debug-devel - update to 4.18.0-553.5.1.0.1
kernel-debug-modules - update to 4.18.0-553.5.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.5.1.0.1
kernel-devel - update to 4.18.0-553.5.1.0.1
kernel-headers - update to 4.18.0-553.5.1.0.1
kernel-modules - update to 4.18.0-553.5.1.0.1
kernel-modules-extra - update to 4.18.0-553.5.1.0.1
kernel-tools - update to 4.18.0-553.5.1.0.1
kernel-tools-libs - update to 4.18.0-553.5.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.5.1.0.1
perf - update to 4.18.0-553.5.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.5.1.0.1
linux-image-generic (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-35.35
linux-image-kvm (Ubuntu package) - update to 6.8.0-35.35
linux-image-virtual (Ubuntu package) - update to 6.8.0-35.35
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-35.35
linux-image-6.8.0-35-generic (Ubuntu package) - update to 6.8.0-35.35+1
linux-image-6.8.0-35-generic-64k (Ubuntu package) - update to 6.8.0-35.35+1
linux-image-6.8.0-35-lowlatency (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-6.8.0-35-lowlatency-64k (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-35.35.1
linux-image-gke (Ubuntu package) - update to 6.8.0-1004.7
linux-image-6.8.0-1004-gke (Ubuntu package) - update to 6.8.0-1004.7
linux-image-6.8.0-1005-raspi (Ubuntu package) - update to 6.8.0-1005.5
linux-image-raspi (Ubuntu package) - update to 6.8.0-1005.5
linux-image-ibm (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-ibm (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-oracle (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-oracle-64k (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oracle (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oracle-64k (Ubuntu package) - update to 6.8.0-1006.6
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1006.6
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1006.6
linux-image-6.8.0-1006-oem (Ubuntu package) - update to 6.8.0-1006.6
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1006.6+1
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1006.6+1
linux-image-azure (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-azure-fde (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-azure (Ubuntu package) - update to 6.8.0-1008.8
linux-image-azure-fde (Ubuntu package) - update to 6.8.0-1008.8
Storage Protect Plus Server - update to 10.1.16.3
IBM Security Guardium - addressed in versions 12.0p15, 12.0p30

External References

Related Security Bulletins