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openSUSE 16.0 kernel Important DoS Issues Fixed 2026-20758-1

opensuse
Calendar Grey May 19, 2026
Dist Opensuse Esm H88
Critical openSUSE Leap 16.0 kernel update addresses important security issues and vulnerabilities with patch instructions.
An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues

The following security issues were fixed:

- CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013).

- CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).

Patch instructions:

To install this openSUSE security 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 16.0

zypper in -t patch openSUSE-Leap-16.0-753=1

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel OpenSUSE

Patch

Package List

- openSUSE Leap 16.0:

cluster-md-kmp-64kb-6.12.0-160000.31.1

cluster-md-kmp-azure-6.12.0-160000.31.1

cluster-md-kmp-default-6.12.0-160000.31.1

cluster-md-kmp-rt-6.12.0-160000.31.1

dlm-kmp-64kb-6.12.0-160000.31.1

dlm-kmp-azure-6.12.0-160000.31.1

dlm-kmp-default-6.12.0-160000.31.1

dlm-kmp-rt-6.12.0-160000.31.1

dtb-allwinner-6.12.0-160000.31.1

dtb-altera-6.12.0-160000.31.1

dtb-amazon-6.12.0-160000.31.1

dtb-amd-6.12.0-160000.31.1

dtb-amlogic-6.12.0-160000.31.1

dtb-apm-6.12.0-160000.31.1

dtb-apple-6.12.0-160000.31.1

dtb-arm-6.12.0-160000.31.1

dtb-broadcom-6.12.0-160000.31.1

dtb-cavium-6.12.0-160000.31.1

dtb-exynos-6.12.0-160000.31.1

dtb-freescale-6.12.0-160000.31.1

dtb-hisilicon-6.12.0-160000.31.1

dtb-lg-6.12.0-160000.31.1

dtb-marvell-6.12.0-160000.31.1

dtb-mediatek-6.12.0-160000.31.1

dtb-nvidia-6.12.0-160000.31.1

dtb-qcom-6.12.0-160000.31.1

dtb-renesas-6.12.0-160000.31.1

dtb-rockchip-6.12.0-160000.31.1

dtb-socionext-6.12.0-160000.31.1

dtb-sprd-6.12.0-160000.31.1

dtb-xilinx-6.12.0-160000.31.1

gfs2-kmp-64kb-6.12.0-160000.3...

Read the Full Advisory

References

* bsc#1264013

* bsc#1265209

References:

* https://www.suse.com/security/cve/CVE-2025-54518.html

* https://www.suse.com/security/cve/CVE-2026-46300.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20758-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel OpenSUSE

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