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openSUSE Leap 15.6 smc-tools Moderate DoS Fix SUSE-SU-2026-1422

Linuxsecurity •LinuxSecurity Advisories • April 17, 2026

This update for smc-tools fixes the following issue: Update to smc-tools v1.8.7: * predictable /tmp file allows for local denial of service (bsc#1230052). Changelog: Update to v1.8.7: * smc_rnics: fix regression when PFT not available * smcd/smcr: prevent DoS on statistics workfile present in /tmp/ Update to v1.8.6: * man pages: Update man page for smc_pnet * smc-tools: Display sndbuf/RMB stats only if supported by the kernel Update to v1.8.5: * smc_rnics: Add support for Network Express RNIC in smc_rnics * smc_rnics: Add PFT and VF columns to smc_rnics output * libnetlink..: Fix function declaration to use a void prototype * smc_rnics: Update smc_chk to extract PNetID from column 9 * man pages: Update man page for --rawids option and PFT and VF columns * smc_rnics: Fix missing PPrt values in smc_rnics -r output

## 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 Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1422=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-1422=1 openSUSE-SLE-15.6-2026-1422=1

## 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 Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1422=1

zypper in -t patch SUSE-2026-1422=1 openSUSE-SLE-15.6-2026-1422=1

* SUSE Linux Enterprise Server 15 SP6 LTSS (s390x) * smc-tools-debuginfo-1.8.7-150600.3.6.1 * smc-tools-debugsource-1.8.7-150600.3.6.1 * smc-tools-completion-1.8.7-150600.3.6.1 * smc-tools-1.8.7-150600.3.6.1 * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586) * smc-tools-debuginfo-1.8.7-150600.3.6.1 * smc-tools-debugsource-1.8.7-150600.3.6.1 * smc-tools-completion-1.8.7-150600.3.6.1 * smc-tools-1.8.7-150600.3.6.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (s390x)

* smc-tools-debuginfo-1.8.7-150600.3.6.1

* smc-tools-debugsource-1.8.7-150600.3.6.1

* smc-tools-completion-1.8.7-150600.3.6.1

* smc-tools-1.8.7-150600.3.6.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* smc-tools-debuginfo-1.8.7-150600.3.6.1

* smc-tools-debugsource-1.8.7-150600.3.6.1

* smc-tools-completion-1.8.7-150600.3.6.1

* smc-tools-1.8.7-150600.3.6.1

* bsc#1230052 ## References: *

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

openSUSE Leap 15.6 smc-tools Moderate Local DoS Vulnerability Fixed A security update for smc-tools in openSUSE Leap 15.6 addresses a local denial of service (DoS) vulnerability caused by a predictable /tmp file. This vulnerability, identified as bsc#1230052, allows an attacker with local access to disrupt service by exploiting the flaw. The update includes enhancements in smc-tools v1.8.7, which prevents DoS on statistics workfiles present in /tmp. Previous versions, including v1.8.5 and v1.8.6, also received updates to improve functionality and documentation. Affected systems include openSUSE Leap 15.6 and SUSE Linux Enterprise Server 15 SP6. Users are advised to apply the patch using SUSE's recommended installation methods. The vulnerability does not appear to have been actively exploited in the wild. The current status is that the patch is available and should be applied promptly. 2 sources 46

openSUSE Leap 15.6 smc-tools Moderate DoS Fix SUSE-SU-2026-1422

The full story

Extracted Entities

Attack Types (1)

Platforms (2)