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TI-2016-03250 Aliases CVE-2016-3841GHSA-2jwc-wqjh-543h

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows…

Priority LOW 32CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 22 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264, CWE-416 and the CVSS impact.

Summary

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.

Why it matters now

EPSS 0.00299 22nd percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 22 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*6.0.1VulnerableGoogle
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 3.2.75; 3.3 to before 3.12.52; 3.13 to before 3.16.35; 3.17 to before 3.18.25; 3.19 to before 4.1.15; 4.2 to before 4.2.8; 4.3 to before 4.3.3VulnerableLinux
  • cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:* Versions 6.0.1 Vulnerable ·Google
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.2.75; 3.3 to before 3.12.52; 3.13 to before 3.16.35; 3.17 to before 3.18.25; 3.19 to before 4.1.15; 4.2 to before 4.2.8; 4.3 to before 4.3.3 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2016:2695 Released 2016-11-09 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.2) kernel-3.10.0-327.41.3.el7, kernel-abi-whitelists-3.10.0-327.41.3.el7, kernel-debug-3.10.0-327.41.3.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) kernel-tools-libs-devel-3.10.0-327.41.3.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.2) kernel-3.10.0-327.41.3.el7, kernel-abi-whitelists-3.10.0-327.41.3.el7, kernel-bootwrapper-3.10.0-327.41.3.el7 +11
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.2) kernel-debug-devel-3.10.0-327.41.3.el7, kernel-tools-libs-devel-3.10.0-327.41.3.el7
  • RHSA-2016:2584 Released 2016-11-03 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +7
  • RHSA-2016:2574 Released 2016-11-03 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-bootwrapper-3.10.0-514.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.el7, kernel-tools-libs-devel-3.10.0-514.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
Show 1 more Red Hat advisories
  • RHSA-2016:0855 Released 2016-05-10 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-642.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-642.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-bootwrapper-2.6.32-642.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-642.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-642.el6, kernel-abi-whitelists-2.6.32-642.el6, kernel-debug-2.6.32-642.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-642.el6

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise MRG 2AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux ComputeNode EUS (v. 7.2)Fixed RHSA-2016:2695
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2)Fixed RHSA-2016:2695
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux Server EUS (v. 7.2)Fixed RHSA-2016:2695
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux Server Optional EUS (v. 7.2)Fixed RHSA-2016:2695
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2016:0855
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:2574
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2016:2584
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2016:2584
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-3841
  2. 2026-10-03 Alias added: GHSA-2jwc-wqjh-543h

References

Patch 2

Advisory 5

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences