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SUSE Linux Micro 6.2 OVMF Moderate Timing Attack Fix SUSE-SU-2026-21018-1

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
SUSE Linux Micro update addresses a moderate security issue related to ovmf, fix available.
An update that solves one vulnerability can now be installed.

Summary

## This update for ovmf fixes the following issue: * CVE-2025-59438: mbedtls: padding oracle attack possible through timing of cipher error reporting (bsc#1252441). ## 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: * SUSE Linux Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-514=1 ## Package List: * SUSE Linux Micro 6.2 (noarch) * qemu-ovmf-x86_64-202502-160000.4.1 * qemu-uefi-aarch64-202502-160000.4.1

Topics%20covered

Topics Covered

security advisory moderate SuSE timing attack cipher

References

* bsc#1252441

Cross-

* CVE-2025-59438

CVSS scores:

* CVE-2025-59438 ( SUSE ): 5.7

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

* CVE-2025-59438 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

* CVE-2025-59438 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Products:

* SUSE Linux Micro 6.2

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-59438.html

* https://bugzilla.suse.com/show_bug.cgi?id=1252441

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21018-1
Release Date: 2026-04-09T15:05:01Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE timing attack cipher

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