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SUSE Linux Micro 8.3 SUSE-SU-2026-33045-3 libtss Critical DoS Vulnerability

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
Critical patch for libtpms in SUSE Linux addresses out-of-bounds access vulnerability and prevents DoS attacks. Install recommended update.
An update that solves one vulnerability can now be installed.

Summary

## This update for libtpms fixes the following issues: * CVE-2025-49133: out-of-bounds (OOB) access due to HMAC signing issue leads to abort and vTPM DoS (bsc#1244528). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-476=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * libtpms0-debuginfo-0.9.6-slfo.1.1_2.1 * libtpms-debugsource-0.9.6-slfo.1.1_2.1 * libtpms0-0.9.6-slfo.1.1_2.1

Topics%20covered

Topics Covered

security advisory moderate DoS SuSE Linux libtpms

References

* bsc#1244528

Cross-

* CVE-2025-49133

CVSS scores:

* CVE-2025-49133 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H

* CVE-2025-49133 ( NVD ): 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H

* CVE-2025-49133 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Micro 6.1

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-49133.html

* https://bugzilla.suse.com/show_bug.cgi?id=1244528

Announcement ID: SUSE-SU-2026:21035-1
Release Date: 2026-04-08T14:28:15Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS SuSE Linux libtpms

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