Resource allocation without limits in SUSE RKE2
Priority MEDIUM 40CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-770.
Summary
A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00701 53rd percentileScored 2026-11-07
Fix Fixed RKE2 (SUSE): 1.24.17+rke2r1, v1.25.13+rke2r1, v1.26.8+rke2r1 +2github.com/rancher/rke2 (Go): 1.24.17, 1.25.13, 1.26.8 +2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SUSE | RKE2 | 1.24.0 to before 1.24.17+rke2r1; v1.25.0 to before v1.25.13+rke2r1; v1.26.0 to before v1.26.8+rke2r1; v1.27.0 to before v1.27.5+rke2r1; v1.28.0 to before v1.28.1+rke2r1 | 1.24.17+rke2r1, v1.25.13+rke2r1, v1.26.8+rke2r1, v1.27.5+rke2r1, v1.28.1+rke2r1 | Patch available | CNA |
| — | github.com/rancher/rke2 (Go) | before 1.24.17 | 1.24.17 | Patch available | GHSA-p45j-vfv5-wprq |
| — | github.com/rancher/rke2 (Go) | 1.25.0 to before 1.25.13 | 1.25.13 | Patch available | GHSA-p45j-vfv5-wprq |
| — | github.com/rancher/rke2 (Go) | 1.26.0 to before 1.26.8 | 1.26.8 | Patch available | GHSA-p45j-vfv5-wprq |
| — | github.com/rancher/rke2 (Go) | 1.27.0 to before 1.27.5 | 1.27.5 | Patch available | GHSA-p45j-vfv5-wprq |
| — | github.com/rancher/rke2 (Go) | 1.28.0 to before 1.28.1 | 1.28.1 | Patch available | GHSA-p45j-vfv5-wprq |
- RKE2 VendorSUSE Affected 1.24.0 to before 1.24.17+rke2r1; v1.25.0 to before v1.25.13+rke2r1; v1.26.0 to before v1.26.8+rke2r1; v1.27.0 to before v1.27.5+rke2r1; v1.28.0 to before v1.28.1+rke2r1 Fixed in 1.24.17+rke2r1, v1.25.13+rke2r1, v1.26.8+rke2r1, v1.27.5+rke2r1, v1.28.1+rke2r1 Patch available CNA
- github.com/rancher/rke2 (Go) Vendor— Affected before 1.24.17 Fixed in 1.24.17 Patch available GHSA-p45j-vfv5-wprq
- github.com/rancher/rke2 (Go) Vendor— Affected 1.25.0 to before 1.25.13 Fixed in 1.25.13 Patch available GHSA-p45j-vfv5-wprq
- github.com/rancher/rke2 (Go) Vendor— Affected 1.26.0 to before 1.26.8 Fixed in 1.26.8 Patch available GHSA-p45j-vfv5-wprq
- github.com/rancher/rke2 (Go) Vendor— Affected 1.27.0 to before 1.27.5 Fixed in 1.27.5 Patch available GHSA-p45j-vfv5-wprq
- github.com/rancher/rke2 (Go) Vendor— Affected 1.28.0 to before 1.28.1 Fixed in 1.28.1 Patch available GHSA-p45j-vfv5-wprq
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:* | 1.24.0\+rke2r1 to before 1.24.17\+rke2r1; 1.25.0\+rke2r1 to before 1.25.13\+rke2r1; 1.26.0\+rke2r1 to before 1.26.8\+rke2r1; 1.27.1\+rke2r1 to before 1.27.5\+rke2r1 | Vulnerable | SUSE |
| cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc1:*:*:*:*:*:* | 1.28.1+rke2r1 rc1 | Vulnerable | SUSE |
| cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc2:*:*:*:*:*:* | 1.28.1+rke2r1 rc2 | Vulnerable | SUSE |
- cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:* Versions 1.24.0\+rke2r1 to before 1.24.17\+rke2r1; 1.25.0\+rke2r1 to before 1.25.13\+rke2r1; 1.26.0\+rke2r1 to before 1.26.8\+rke2r1; 1.27.1\+rke2r1 to before 1.27.5\+rke2r1 Vulnerable ·SUSE
- cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc1:*:*:*:*:*:* Versions 1.28.1+rke2r1 rc1 Vulnerable ·SUSE
- cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc2:*:*:*:*:*:* Versions 1.28.1+rke2r1 rc2 Vulnerable ·SUSE
Remediation
- Fix · CNA RKE2 (SUSE) Fixed in 1.24.17+rke2r1, v1.25.13+rke2r1, v1.26.8+rke2r1, v1.27.5+rke2r1, v1.28.1+rke2r1
- Fix · GHSA-p45j-vfv5-wprq github.com/rancher/rke2 (Go) Fixed in 1.24.17 Advisory →
- Fix · GHSA-p45j-vfv5-wprq github.com/rancher/rke2 (Go) Fixed in 1.25.13 Advisory →
- Fix · GHSA-p45j-vfv5-wprq github.com/rancher/rke2 (Go) Fixed in 1.26.8 Advisory →
- Fix · GHSA-p45j-vfv5-wprq github.com/rancher/rke2 (Go) Fixed in 1.27.5 Advisory →
- Fix · GHSA-p45j-vfv5-wprq github.com/rancher/rke2 (Go) Fixed in 1.28.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32186
- 2026-10-03 Alias added: GHSA-p45j-vfv5-wprq
References
More SUSE Rancher Rke2 vulnerabilities
- TI-2021-11981 K3s/RKE2 bootstrap data is encrypted with empty string if user does not supply a token CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-32186 · CVE Program
- CVE-2023-32186 · NVD
- FIRST EPSS
- GHSA-p45j-vfv5-wprq · GitHub Advisory Database · CC BY 4.0
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