Upstream information

CVE-2026-46318 at MITRE

Description

In the Linux kernel, the following vulnerability has been resolved:

Revert "mm/hugetlbfs: update hugetlbfs to use mmap_prepare"

This reverts commit ea52cb24cd3f ("mm/hugetlbfs: update hugetlbfs to use
mmap_prepare") with conflict resolution to account for changes in commit
ea52cb24cd3f ("mm/hugetlbfs: update hugetlbfs to use mmap_prepare").

The patch incorrectly handled hugetlb VMA lock allocation at the
mmap_prepare stage, where a failed allocation occurring after mmap_prepare
is called might result in the lock leaking.

There is no risk of a merge causing a similar issues, as
VMA_DONTEXPAND_BIT is set for hugetlb mappings.

As a first step in addressing this issue, simply revert the change so we
can rework how we do this having corrected the underlying issues.

We maintain the VMA flags changes as best we can, accounting for the fact
that we were working with a VMA descriptor previously and propagating
like-for-like changes for this.

Note that we invoke vma_set_flags() and do not call vma_start_write() as
vm_flags_set() does. This is OK as it's being done in an .mmap hook where
the VMA is not yet linked into the tree so nobody else can be accessing
it.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail SUSE
Base Score 5.5
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1

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: 1268021 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • kernel-devel >= 7.0.12-1.1
  • kernel-macros >= 7.0.12-1.1
  • kernel-source >= 7.0.12-1.1
  • kernel-source-vanilla >= 7.0.12-1.1
Patchnames:
openSUSE-Tumbleweed-2026-11014


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Desktop 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Desktop 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise High Availability Extension 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise High Availability Extension 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Live Patching 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Live Patching 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-rt Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-source-rt Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-rt Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-source-rt Already fixed
SUSE Linux Enterprise Micro 5.5 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.5 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.5 kernel-source-rt Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Module for Legacy 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Module for Legacy 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP7 kernel-source-rt Already fixed
SUSE Linux Enterprise Server 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Server 16.0 kernel-default Already fixed
SUSE Linux Enterprise Server 16.0 kernel-source Already fixed
SUSE Linux Enterprise Server 16.1 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP7 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP applications 16.0 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP applications 16.0 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP applications 16.1 kernel-source Already fixed
SUSE Linux Enterprise Workstation Extension 15 SP7 kernel-default Already fixed
SUSE Linux Enterprise Workstation Extension 15 SP7 kernel-source Already fixed
SUSE Linux Micro 6.0 kernel-default Already fixed
SUSE Linux Micro 6.0 kernel-source Already fixed
SUSE Linux Micro 6.0 kernel-source-rt Already fixed
SUSE Linux Micro 6.1 kernel-default Already fixed
SUSE Linux Micro 6.1 kernel-source Already fixed
SUSE Linux Micro 6.1 kernel-source-rt Already fixed
SUSE Linux Micro 6.2 kernel-default Already fixed
SUSE Linux Micro 6.2 kernel-source Already fixed
SUSE Real Time Module 15 SP7 kernel-source-rt Already fixed
openSUSE Leap 16.0 kernel-source Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS kernel-source Already fixed
SUSE Linux Enterprise Live Patching 12 SP5 kernel-default Already fixed
SUSE Linux Enterprise Live Patching 12 SP5 kernel-source Already fixed
SUSE Linux Enterprise Live Patching 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Live Patching 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Live Patching 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Live Patching 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security kernel-default Already fixed
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP5-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP5-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP6-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP6-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-source Already fixed
SUSE Manager Proxy 4.3 kernel-source Already fixed
SUSE Manager Proxy LTS 4.3 kernel-source Already fixed
SUSE Manager Retail Branch Server 4.3 kernel-source Already fixed
SUSE Manager Retail Branch Server LTS 4.3 kernel-source Already fixed
SUSE Manager Server 4.3 kernel-source Already fixed
SUSE Manager Server LTS 4.3 kernel-source Already fixed
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 kernel-source Already fixed
SUSE Enterprise Storage 6 kernel-source Already fixed
SUSE Enterprise Storage 7 kernel-source Already fixed
SUSE Enterprise Storage 7.1 kernel-source Already fixed
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Desktop 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.0 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.1 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.2 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.2 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP4 kernel-source-rt Already fixed
SUSE Linux Enterprise Real Time 15 SP5 kernel-source-rt Already fixed
SUSE Linux Enterprise Server 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP1-BCL kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP2-BCL kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP3-BCL kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source Already fixed
SUSE Manager Proxy 4.0 kernel-source Already fixed
SUSE Manager Proxy 4.1 kernel-source Already fixed
SUSE Manager Proxy 4.2 kernel-source Already fixed
SUSE Manager Retail Branch Server 4.0 kernel-source Already fixed
SUSE Manager Retail Branch Server 4.1 kernel-source Already fixed
SUSE Manager Retail Branch Server 4.2 kernel-source Already fixed
SUSE Manager Server 4.0 kernel-source Already fixed
SUSE Manager Server 4.1 kernel-source Already fixed
SUSE Manager Server 4.2 kernel-source Already fixed
SUSE OpenStack Cloud 9 kernel-source Already fixed
SUSE OpenStack Cloud Crowbar 9 kernel-source Already fixed
SUSE Real Time Module 15 SP4 kernel-source-rt Already fixed
SUSE Real Time Module 15 SP5 kernel-source-rt Already fixed
openSUSE Leap 15.3 kernel-source Already fixed
openSUSE Leap 15.4 kernel-source Already fixed
openSUSE Leap 15.4 kernel-source-rt Already fixed
openSUSE Leap 15.5 kernel-source Already fixed
openSUSE Leap 15.5 kernel-source-rt Already fixed
openSUSE Leap 15.6 kernel-source Already fixed


SUSE Timeline for this CVE

CVE page created: Tue Jun 9 16:00:51 2026
CVE page last modified: Sat Jun 13 11:34:53 2026