A certain Red Hat patch to the vlan_hwaccel_do_receive function in net/8021q/vlan_core.c…
Priority LOW 28CWE-399Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
A certain Red Hat patch to the vlan_hwaccel_do_receive function in net/8021q/vlan_core.c in the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows remote attackers to cause a denial of service (system crash) via priority-tagged VLAN frames.
Why it matters now
EPSS 0.01007 63rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2011:1465 Released 2011-11-22 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-131.21.1.el6, kernel-bootwrapper-2.6.32-131.21.1.el6, kernel-debug-2.6.32-131.21.1.el6 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1465 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3593
- 2026-10-03 Alias added: GHSA-fj97-rp5f-jf94
References
Other 3
Sources
- CVE-2011-3593 · CVE Program
- CVE-2011-3593 · NVD
- FIRST EPSS
- GHSA-fj97-rp5f-jf94 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3593 · Red Hat security data · CC BY 4.0
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