The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment…
Priority MEDIUM 41Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
The IPv6 implementation in the Linux kernel before 3.1 does not generate Fragment Identification values separately for each destination, which makes it easier for remote attackers to cause a denial of service (disrupted networking) by predicting these values and sending crafted packets.
Why it matters now
EPSS 0.05616 92nd percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 4 fixed, 2 without a fix
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 3 advisories
- RHSA-2012:0358 Released 2012-03-06 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux EUS (v. 5.6 server) kernel-2.6.18-238.35.1.el5, kernel-2.6.18-238.35.1.el5.ia64, kernel-PAE-2.6.18-238.35.1.el5 +18
- 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
- RHSA-2011:1386 Released 2011-10-20 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-274.7.1.el5, kernel-2.6.18-274.7.1.el5.ia64, kernel-PAE-2.6.18-274.7.1.el5 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-274.7.1.el5, kernel-PAE-2.6.18-274.7.1.el5, kernel-PAE-devel-2.6.18-274.7.1.el5 +6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise MRG 2 | Affected | No fix yet |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:1386 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:1386 |
| Red Hat Enterprise Linux EUS (v. 5.6 server) | Fixed | RHSA-2012:0358 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1465 |
Not affected: 2 products
- Red Hat Enterprise Linux (v. 5 server)
- Red Hat Enterprise Linux Desktop (v. 5 client)
Timeline
- 2026-10-02 Threatist record created from CVE-2011-2699
- 2026-10-03 Alias added: GHSA-69g3-qvqf-82hh
- 2026-11-05 Affected versions changed · Red Hat
References
Patch 3
Advisory 2
Sources
- CVE-2011-2699 · CVE Program
- CVE-2011-2699 · NVD
- FIRST EPSS
- GHSA-69g3-qvqf-82hh · GitHub Advisory Database · CC BY 4.0
- CVE-2011-2699 · 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