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SUSE: Critical OVMF Patch Addressing Buffer Overflow & Integer Underflow

suse
Calendar Grey September 8, 2025
Dist Suse Esm H88
Important security patch for ovmf rectifying integer underflow and buffer overflow flaws. Ensure timely installation of suggested updates.
* bsc#1218879 * bsc#1218880 Cross-References: * CVE-2023-45229

Summary

## This update for ovmf fixes the following issues: * CVE-2023-45229: Fixed integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message (bsc#1218879) * CVE-2023-45230: Fixed buffer overflow in the DHCPv6 client via a long Server ID option (bsc#1218880) ## 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: * Confidential Computing Module 15-SP6 zypper in -t patch SUSE-SLE-Module-Confidential-Computing-15-SP6-2025-3096=1 ## Package List: * Confidential Computing Module 15-SP6 (x86_64) * qemu-ovmf-x86_64-debug-202308-15061.8.coco15sp6.1 * ovmf-tools-202308-15061.8.coco15sp6.1 * ovmf-202308-15061.8.coco15sp6.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important integer underflow ovmf

References

* bsc#1218879

* bsc#1218880

Cross-

* CVE-2023-45229

* CVE-2023-45230

CVSS scores:

* CVE-2023-45229 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2023-45229 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2023-45230 ( SUSE ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

* CVE-2023-45230 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-45230 ( NVD ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Affected Products:

* Confidential Computing Module 15-SP6

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-45229.html

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03096-1
Release Date: 2025-09-08T16:09:37Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important integer underflow ovmf

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