openSUSE Xen Moderate Mem Leak HVM Emulation Issues 2026-4087

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This update for xen fixes the following issues:

* CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding (bsc#1276838).

* CVE-2026-79602: x86: improper handling of HVM emulation return codes

* CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing

## Special Instructions and Notes:

* Please reboot the system after installing this update.

## 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:

zypper in -t patch SUSE-2026-4087=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-4087=1

* openSUSE Leap 15.5 (x86_64)

* xen-tools-4.17.6_16-150500.3.79.1

* xen-doc-html-4.17.6_16-150500.3.79.1

* xen-libs-32bit-debuginfo-4.17.6_16-150500.3.79.1

* xen-4.17.6_16-150500.3.79.1

* xen-tools-debuginfo-4.17.6_16-150500.3.79.1

* xen-libs-32bit-4.17.6_16-150500.3.79.1

* openSUSE Leap 15.5 (i586 x86_64)

* xen-tools-domU-4.17.6_16-150500.3.79.1

* xen-libs-debuginfo-4.17.6_16-150500.3.79.1

* xen-devel-4.17.6_16-150500.3.79.1

* xen-tools-domU-debuginfo-4.17.6_16-150500.3.79.1

* xen-libs-4.17.6_16-150500.3.79.1

* xen-debugsource-4.17.6_16-150500.3.79.1

* openSUSE Leap 15.5 (noarch)

* xen-tools-xendomains-wait-disk-4.17.6_16-150500.3.79.1

* SUSE Linux Enterprise Micro 5.5 (x86_64)

* xen-libs-4.17.6_16-150500.3.79.1

* xen-libs-debuginfo-4.17.6_16-150500.3.79.1

* xen-debugsource-4.17.6_16-150500.3.79.1

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