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

suse
Calendar Grey February 28, 2025
Scroller Suse
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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