SUSE-SU-2026:21564-1

MEDIUM6.8

Security update for Mesa

Published May 6, 2026

Modified 2 weeks ago

Fix available

Details

Description of the patch:

This update for Mesa fixes the following issue:

CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998).

Affected Packages(39 packages)

Mesa

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-KHR-devel

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-devel

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-dri

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-dri-devel

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-dri-nouveau

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-dri-vc4

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-gallium

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-libEGL-devel

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

Mesa-libEGL1

SUSE Linux Enterprise Server 16.0SUSE Linux Enterprise Server for SAP applications 16.0

Fixed in:

24.3.3-160000.3.1

References

https://bugzilla.suse.com/1261911

https://bugzilla.suse.com/1261998

https://lists.suse.com/pipermail/sle-updates/2026-May/046332.html

https://www.suse.com/security/cve/CVE-2026-40393/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-202621564-1/

CVSS Analysis

CVSS v3.1

6.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

6.8/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Upstream

Ecosystems

SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server for SAP applications 16.0

Timeline

PublishedMay 6, 2026

ModifiedMay 6, 2026

SUSE-SU-2026:21564-1 | Mondoo Vulnerability Intelligence