SUSE-SU-2026:5167-1: important: Security update for kubevirt
SLE-SECURITY-UPDATES
null at suse.de
Tue Nov 10 20:31:25 UTC 2026
# Security update for kubevirt
Announcement ID: SUSE-SU-2026:5167-1
Release Date: 2026-11-10T14:20:33Z
Rating: important
References:
* bsc#1278574
* bsc#1278869
* bsc#1279184
* bsc#1279276
* bsc#1285255
* bsc#1286984
* bsc#1287039
* bsc#1287131
* bsc#1287260
Cross-References:
* CVE-2026-56854
* CVE-2026-56855
* CVE-2026-78659
* CVE-2026-78660
* CVE-2026-78662
* CVE-2026-78663
* CVE-2026-78669
* CVE-2026-84303
* CVE-2026-84304
* CVE-2026-84445
* CVE-2026-97032
CVSS scores:
* CVE-2026-56854 ( SUSE ): 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-56854 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-56854 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-56855 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-56855 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-56855 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78659 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78659 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78660 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-78660 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-78662 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-78662 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-78662 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-78663 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-78663 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2026-78669 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-78669 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-84303 ( SUSE ): 9.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-84303 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-84303 ( NVD ): 6.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-84304 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-84304 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-84304 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-84445 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-84445 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-84445 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2026-97032 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-97032 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* Containers Module 15-SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves 11 vulnerabilities can now be installed.
## Description:
This update for kubevirt fixes the following issues:
* CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh:
authentication bypass and deadlocks in the crypto/ssh library (bsc#1278574).
* CVE-2026-78659: golang.org/x/net/http2: HTTP/2 server memory exhaustion due
to Trailer headers (bsc#1286984).
* CVE-2026-78660: golang.org/x/net/http2: HTTP/2 transport accepts malformed
framing-related headers (bsc#1287039).
* CVE-2026-78663: golang.org/x/net/http2: double flow control refund on HTTP/2
server streams (bsc#1287131).
* CVE-2026-78669: golang.org/x/net/http2: excessive CPU consumption from
repeated initial window changes (bsc#1285255).
* CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation
issue allows for bypass of authorization policies via mixed-case or
canonical-case header matches (bsc#1279276).
* CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2
DATA frame fragmentation (bsc#1279184).
* CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing
':authority' and 'Host' headers in gRPC-Go xDS servers (bsc#1278869).
* CVE-2026-97032: golang.org/x/net/http2: HTTP/2 server crash due to HPACK
encoder race (bsc#1287260).
Rebuilt also against current go1.26.
## 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:
* Containers Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-5167
## Package List:
* Containers Module 15-SP7 (aarch64 x86_64)
* kubevirt-manifests-1.7.4-150700.3.42.1
* kubevirt-virtctl-debuginfo-1.7.4-150700.3.42.1
* kubevirt-virtctl-1.7.4-150700.3.42.1
## References:
* https://www.suse.com/security/cve/CVE-2026-56854.html
* https://www.suse.com/security/cve/CVE-2026-56855.html
* https://www.suse.com/security/cve/CVE-2026-78659.html
* https://www.suse.com/security/cve/CVE-2026-78660.html
* https://www.suse.com/security/cve/CVE-2026-78662.html
* https://www.suse.com/security/cve/CVE-2026-78663.html
* https://www.suse.com/security/cve/CVE-2026-78669.html
* https://www.suse.com/security/cve/CVE-2026-84303.html
* https://www.suse.com/security/cve/CVE-2026-84304.html
* https://www.suse.com/security/cve/CVE-2026-84445.html
* https://www.suse.com/security/cve/CVE-2026-97032.html
* https://bugzilla.suse.com/show_bug.cgi?id=1278574
* https://bugzilla.suse.com/show_bug.cgi?id=1278869
* https://bugzilla.suse.com/show_bug.cgi?id=1279184
* https://bugzilla.suse.com/show_bug.cgi?id=1279276
* https://bugzilla.suse.com/show_bug.cgi?id=1285255
* https://bugzilla.suse.com/show_bug.cgi?id=1286984
* https://bugzilla.suse.com/show_bug.cgi?id=1287039
* https://bugzilla.suse.com/show_bug.cgi?id=1287131
* https://bugzilla.suse.com/show_bug.cgi?id=1287260
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