openSUSE 16: elemental / elemental-register / elemental-support / etc (openSUSE-SU-2026:22268-1)

high Nessus Plugin ID 381204

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22268-1 advisory.

- CVE-2026-19201: github.com/google/go-attestation/attest: unbounded recursion in Windows ELAM parsing (bsc#1279911 bsc#1279912).
- CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265781).
- CVE-2026-37236: github.com/grpc-ecosystem/grpc-gateway/v2/runtime: client can override the HTTP method of a POST request through the X-HTTP-Method-Override header and bypass established access control (bsc#1277992).
- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266622 bsc#1266789).
- CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272088).
- CVE-2026-79775: github.com/diskfs/go-diskfs: malformed SquashFS image can cause crashes and persistent CPU loops in rclone's archive backend (bsc#1278164).
- CVE-2026-83530: github.com/google/cel-go/cel: no enforcement of expression size limit before source construction can lead to excessive resource consumption (bsc#1279996).
- 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#1279312).
- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279213).

Changes for elemental-pool:

- Update to v2.3.2:
* 9e6df8e Update KVM flavor to include iptables

Changes for elemental-register-pool:

- Update to v1.9.3:
* ee57a686 Bump github.com/rancher-sandbox/go-tpm
* 2a6c4918 Fix sporadic failures in unit tests
* 717137bd bump yip library
* 9c08fcac User Rewrite function instead of a Director function in ReverseProxy
* 3073bcc1 Bump rancher-sandbox/go-tpm
* 0746e6be Bump grpc library to v1.83.2. Includes fixes for:
- bsc#1279213 (CVE-2026-84304)
* 56c83652 Bump to golang 1.26
* f37b9d62 bump go-attestation. Includes fixes for:
- bsc#1279912 (CVE-2026-19201)
- bsc#1279911 (CVE-2026-19201)
* 48e0352f Bump test environment
* f78effcf Bump generators
* 6c7818a2 Bump wrangler to v3.6.1. Includes fixes for:
- bsc#1272088 (CVE-2026-56852)
- bsc#1279312 (CVE-2026-84303)
- bsc#1266789 (CVE-2026-39821)
- bsc#1266622 (CVE-2026-39821)
* 0eeb3eac Bump grpc-ecosystem/grpc-gateway/v2. Includes fixes for:
- bsc#1277992 (CVE-2026-37236)
* 0c104e17 fix(tpm): fix duplicate emulated TPM seeds on UUID suffix collision (#1018)
* 3605ef3f Change tags order to facilitate OBS builds
- Changes on top of v1.9.2:
* 893fbf0f Fix reference in labels
* dfaf68ac Adapt labels to pass OBS container checks

Changes for elemental-system-agent-pool:

- Update to version 0.15.2:
* fix: swap kubectl download to cowboy-builder rpm
* Update module golang.org/x/crypto to v0.56.0 [SECURITY]
* Update module google.golang.org/grpc to v1.83.2 [SECURITY]
* Update module golang.org/x/mod to v0.40.0 [SECURITY]
* Update module github.com/google/cel-go to v0.30.0 [SECURITY]
* Update module go.etcd.io/etcd/client/pkg/v3 to v3.6.14 [SECURITY]
* Update module github.com/klauspost/compress to v1.18.7 [SECURITY] This version includes fixes for:
- bsc#1279996 (CVE-2026-83530)
- bsc#1279312 (CVE-2026-84303)
- bsc#1279213 (CVE-2026-84304)
- Update to version 0.15.1:
* [2.15] Bump go toolchain to 1.26.7 (#426)
* Bump dependencies (#421)
* Update README (#404)
* add uninstall flag (#384)
* some cve fixes, notably x/net and kubectl versions (#359)
* Update actions/checkout action to v7
* Update actions/upload-artifact action to v7
* Update actions/setup-go action to v6.4.0
* Update rancher/renovate-config digest to fc79cf4
* Update registry.suse.com/bci/bci-micro Docker tag to v16
* switch renovate over to the newer configuration (#293)
* bump kubectl to 1.36.1 (#292)
* add release branches to renovate config (#289)
* Fix swapped kubectl checksums in SUC release image build (#286)
* Document versioning schema and branch strategy aligned with Rancher minor releases (#280)
* bumping CAPI to v1.13.2 and wrangler unrc version
* bump k8s v1.36
* fix logs collection
* test: add new Plan State integration tests
* chore: bump rancher/rancher/pkg/plan to consume Plan States
* test: add e2e tests for Plan States lifecycle
* feat: Adapt code to use Plan States
* Add README.md for integration tests
* Improve comments in scripts and logging
* Adapt test framework code to use new pkg/plan library from rancher/rancher
* Add test/vendor to .gitignore
* Utilize new pkg/plan library from rancher/rancher
* bump the fallback version to v0.3.16
* add initial version of integration tests
- bsc#1277992 (CVE-2026-37236)
- bsc#1272088 (CVE-2026-56852)
- bsc#1265781 (CVE-2026-33814)
- bsc#1266622 (CVE-2026-39821)

Changes for elemental-toolkit-pool:

- Update to v2.3.5:
* 61bb7271 use rsync checksum to reliably copy data
* a5e33158 Only consider global Boot#### variables when clearing stale entries
* 74b76a97 Move to go1.26
* c591fd27 Bump yip library. Includes fixes for:
- bsc#1278164 (CVE-2026-79775)
* 3aa381e5 Fix logging messages
* 661d3ae2 Bump ginkgo
* 04624721 Bump containerd. Includes fixes for:
- bsc#1272088 (CVE-2026-56852)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 381204

File Name: openSUSE-2026-22268-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 11/14/2026

Updated: 11/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.58

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2026-83530

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: 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

CVSS Score Source: CVE-2026-84304

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:elemental-register, p-cpe:/a:novell:opensuse:elemental-support, p-cpe:/a:novell:opensuse:elemental-system-agent, p-cpe:/a:novell:opensuse:elemental-toolkit, p-cpe:/a:novell:opensuse:elemental-updater, p-cpe:/a:novell:opensuse:elemental

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-19201, CVE-2026-33814, CVE-2026-37236, CVE-2026-39821, CVE-2026-56852, CVE-2026-79775, CVE-2026-83530, CVE-2026-84303, CVE-2026-84304

Detections

Analytics

openSUSE 16: elemental / elemental-register / elemental-support / etc (openSUSE-SU-2026:22268-1)

high Nessus Plugin ID 381204

Synopsis

Description

Solution

See Also

Plugin Details

Risk Information

VPR

CVSS v2

CVSS v3

CVSS v4

Vulnerability Information

Reference Information