Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026

SUSE-SU-2026:4942-1: xen security update

SUSE-SU-2026:4942-1, released November 7, 2026, fixes 5 CVEs in xen (version 4.20.4_06-150700.3.49.2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0034

27th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 1
                                High 2
                                Routine 2

Fixed package versions

Product	Release	Fixed in
xen	sles 15.7	4.20.4_06-150700.3.49.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-79608	xen: x86/AMD: ineffectual Zenbleed workaround (bsc#1283317).	9.8	0.0034	None reported
High	CVE-2026-79610	xen: grant-table: double version change race (bsc#1283322).	8.8	0.0015	None reported
High	CVE-2026-79609	xen: x86: XPTI may break on huge-memory systems (bsc#1283321).	8.8	0.0011	None reported
Routine	CVE-2026-79611	xen: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323).	5.5	0.0016	None reported
Routine	CVE-2026-102700	xen: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).	4.7	0.0015	None reported

Also fixes CVE-2026-79608

DEBIAN-CVE-2026-79608
xen on Debian 13.5 (trixie), Debian 14

Vendor advisory

https://osv.dev/vulnerability/SUSE-SU-2026:4942-1

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