ESB-2026.7589

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.7589 Security update for kubevirt-1.6 9 July 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: kubevirt-1.6 Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2025-14525 CVE-2026-35469 CVE-2026-9804 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20262783-1 Comment: CVSS (Max): 7.7 CVE-2026-9804 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N EPSS (Max): 0.7% (46th) CVE-2026-35469 2026-07-07 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for kubevirt-1.6 Announcement ID: SUSE-SU-2026:2783-1 Release Date: 2026-07-07T15:05:10Z Rating: important o bsc#1256434 References: o bsc#1262265 o bsc#1266733 o CVE-2025-14525 Cross-References: o CVE-2026-35469 o CVE-2026-9804 o CVE-2025-14525 ( SUSE ): 8.2 CVSS:4.0/AV:L/AC:L/AT:N/PR:L /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H o CVE-2025-14525 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N /S:C/C:N/I:N/A:H o CVE-2025-14525 ( NVD ): 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:C/C:N/I:L/A:L o CVE-2026-35469 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N o CVE-2026-35469 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N /S:U/C:N/I:N/A:H o CVE-2026-35469 ( NVD ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/ CVSS scores: 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 o CVE-2026-35469 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-9804 ( SUSE ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:C/C:H/I:N/A:N o CVE-2026-9804 ( NVD ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:C/C:H/I:N/A:N o CVE-2026-9804 ( NVD ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:C/C:H/I:N/A:N o Containers Module 15-SP7 Affected o SUSE Linux Enterprise Real Time 15 SP7 Products: o SUSE Linux Enterprise Server 15 SP7 o SUSE Linux Enterprise Server for SAP Applications 15 SP7 An update that solves three vulnerabilities can now be installed. Description: This update for kubevirt-1.6 fixes the following issues: o CVE-2026-9804: Symlink escape in the VMExport dir handler let an attacker controlling an exported PVC read sensitive files (TLS keys, tokens, service-account creds) from the exporter pod. (bsc#1266733) o CVE-2025-14525: A VM reporting many guest-internal interfaces via the guest agent could flood VMI status and fill etcd (denial of service). Caps reported interfaces at 10. (bsc#1256434) o CVE-2026-35469: resource-exhaustion in the SPDY/3 protocol implementation of github.com/moby/spdystream. (GHSA-pc3f-x583-g7j2,bsc#1262265) 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: o Containers Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-2783=1 Package List: o Containers Module 15-SP7 (aarch64 x86_64) kubevirt-1.6-virtctl-debuginfo-1.6.6-150700.15.10.1 kubevirt-1.6-virtctl-1.6.6-150700.15.10.1 kubevirt-1.6-manifests-1.6.6-150700.15.10.1 References: o https://www.suse.com/security/cve/CVE-2025-14525.html o https://www.suse.com/security/cve/CVE-2026-35469.html o https://www.suse.com/security/cve/CVE-2026-9804.html o https://bugzilla.suse.com/show_bug.cgi?id=1256434 o https://bugzilla.suse.com/show_bug.cgi?id=1262265 o https://bugzilla.suse.com/show_bug.cgi?id=1266733 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================