Upstream information
Description
In the Linux kernel, the following vulnerability has been resolved:gpio: virtuser: fix UAF in configfs release path
The gpio-virtuser configfs release path uses guard(mutex) to protect
the device structure. However, the device is freed before the guard
cleanup runs, causing mutex_unlock() to operate on freed memory.
Specifically, gpio_virtuser_device_config_group_release() destroys
the mutex and frees the device while still inside the guard(mutex)
scope. When the function returns, the guard cleanup invokes
mutex_unlock(&dev->lock), resulting in a slab use-after-free.
Limit the mutex lifetime by using a scoped_guard() only around the
activation check, so that the lock is released before mutex_destroy()
and kfree() are called.
SUSE information
Overall state of this security issue: Does not affect SUSE products
Note from the SUSE Security Team on the kernel-default package
SUSE will no longer fix all CVEs in the Linux Kernel anymore, but declare some bug classes as won't fix. Please refer to TID 21496 for more details. SUSE Bugzilla entry: 1258323 [NEW]SUSE Security Advisories:
- SUSE-SU-2026:20838-1, published 2026-03-25T08:52:20Z
- SUSE-SU-2026:20873-1, published 2026-03-25T08:43:53Z
- SUSE-SU-2026:20931-1, published 2026-03-25T08:49:52Z
- SUSE-SU-2026:21284-1, published 2026-04-22T11:14:23Z
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| Container suse/sl-micro/6.1/baremetal-os-container:2.2.1-7.67 Container suse/sl-micro/6.1/base-os-container:2.2.1-5.89 Container suse/sl-micro/6.1/kvm-os-container:2.2.1-5.92 Container suse/sl-micro/6.1/rt-os-container:2.2.1-5.81 |
| |
| Image SL-Micro-Azure Image SL-Micro-BYOS-Azure Image SL-Micro-BYOS-EC2 Image SL-Micro-BYOS-GCE Image SL-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-Azure Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-Azure-llc Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-Azure Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd |
| |
| Image SLES-Azure-3P Image SLES-Azure-Basic Image SLES-Azure-Standard Image SLES-BYOS-Azure Image SLES-BYOS-EC2 Image SLES-BYOS-GCE Image SLES-CHOST-BYOS-GDC Image SLES-CHOST-BYOS-SAP-CCloud Image SLES-EC2 Image SLES-GCE Image SLES-GCE-3P Image SLES-Hardened-BYOS-Azure Image SLES-Hardened-BYOS-EC2 Image SLES-Hardened-BYOS-GCE Image SLES-SAPCAL-Azure Image SLES-SAPCAL-EC2 Image SLES-SAPCAL-GCE |
| |
| Image SLES-SAP-Azure Image SLES-SAP-Azure-3P Image SLES-SAP-BYOS-Azure Image SLES-SAP-BYOS-EC2 Image SLES-SAP-BYOS-GCE Image SLES-SAP-EC2 Image SLES-SAP-GCE Image SLES-SAP-GCE-3P |
| |
| SUSE Linux Enterprise High Availability Extension 16.0 |
| Patchnames: SUSE-SLES-HA-16.0-435 |
| SUSE Linux Enterprise Server 16.0 |
| Patchnames: SUSE-SLES-16.0-435 |
| SUSE Linux Enterprise Server for SAP applications 16.0 |
| Patchnames: SUSE-SLES-16.0-435 |
| SUSE Linux Micro 6.2 |
| Patchnames: SUSE-SL-Micro-6.2-435 |
| openSUSE Leap 16.0 |
| Patchnames: openSUSE-Leap-16.0-435 |
List of packages in QA
| Product(s) | Package(s) |
|---|---|
| SUSE Linux Enterprise Server 16.0 |
|
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise High Availability Extension 16.0 | kernel-default | Released |
| SUSE Linux Enterprise Server 16.0 | kernel-64kb | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-azure | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-default | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-default-base | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-docs | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-kvmsmall | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-obs-qa | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-source | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-syms | In progress |
| SUSE Linux Enterprise Server 16.0 | kernel-zfcpdump | In progress |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-azure | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-default | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-default-base | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-docs | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-kvmsmall | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-obs-qa | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-source | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | kernel-syms | Released |
| SUSE Linux Micro 6.2 | kernel-64kb | Released |
| SUSE Linux Micro 6.2 | kernel-default | Released |
| SUSE Linux Micro 6.2 | kernel-default-base | Released |
| SUSE Linux Micro 6.2 | kernel-rt | Released |
| SUSE Linux Micro 6.2 | kernel-source | Released |
SUSE Timeline for this CVE
CVE page created: Sat Feb 14 18:02:55 2026CVE page last modified: Fri May 8 12:02:47 2026