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SUSE: 2025:0742-1 important: Openvswitch3 UDP bypass issue resolved

suse
Calendar Grey February 28, 2025
Dist Suse Esm H88
Uncover the essential security update from SUSE for openvswitch3 that fixes severe UDP packet escaping vulnerabilities.
* bsc#1236353 Cross-References: * CVE-2025-0650

Summary

## This update for openvswitch3 fixes the following issues: * CVE-2025-0650: Fixed egress ACLs that may be bypassed via specially crafted UDP packet (bsc#1236353). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch SUSE-2025-742=1 * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2025-742=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2025-742=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-742=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important openSUSE patch instructions udp packet UDP issue openvswitch3 ecryption ACLs

References

* bsc#1236353

Cross-

* CVE-2025-0650

CVSS scores:

* CVE-2025-0650 ( SUSE ): 9.2

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-0650 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-0650 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* openSUSE Leap 15.6

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server 15 SP5 LTSS

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:0742-1
Release Date: 2025-02-28T10:17:43Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important openSUSE patch instructions udp packet UDP issue openvswitch3 ecryption ACLs

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