Deference after null check in as_rrc
Priority LOW 32CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
NULL pointer dereference vulnerability in ASR Crane，Falcon on Linux (as_rrc module) allows Pointer Manipulation. This vulnerability is associated with program file 3g.mod/lib/src/urrsir.c.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 20th percentileScored 2026-11-07
Fix Partial Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet |
Not affected: 1 product
- Red Hat OpenStack Platform 16.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42801
- 2026-10-03 Alias added: GHSA-h9m5-vm2j-qx22
References
More ASR vulnerabilities
- TI-2023-27135 Out-of-bounds access a buffer in SIM management CVSS 3.1CRITICAL 9.8
- TI-2026-31019 Out-of-bounds read in ulp CVSS 3.1CRITICAL 9.8
- TI-2025-31528 Out-of-bounds write in lte-telephony CVSS 3.1CRITICAL 9.8
- TI-2025-31516 Out-of-bounds access in lte-telephony CVSS 3.1CRITICAL 9.1
- TI-2024-21513 Out-of-bounds read in telephony CVSS 3.1HIGH 8.0
- TI-2023-27134 Buffer Copy Without Checking size of input in IMS CVSS 3.1HIGH 7.5
Sources
- CVE-2026-42801 · CVE Program
- CVE-2026-42801 · NVD
- FIRST EPSS
- GHSA-h9m5-vm2j-qx22 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-42801 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences