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TI-2016-07117 Aliases CVE-2016-8655GHSA-3x7h-7xqw-rj45

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local…

Priority MEDIUM 47CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

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

Summary

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.

Why it matters now

EPSS 0.11127 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix Fixed Red Hat: 3 advisories

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 · 5

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.2 to before 3.2.85; 3.3 to before 3.10.106; 3.11 to before 3.12.69; 3.13 to before 3.16.40; 3.17 to before 3.18.46; 3.19 to before 4.1.37; 4.2 to before 4.4.38; 4.5 to before 4.8.14VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*16.10VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.2 to before 3.2.85; 3.3 to before 3.10.106; 3.11 to before 3.12.69; 3.13 to before 3.16.40; 3.17 to before 3.18.46; 3.19 to before 4.1.37; 4.2 to before 4.4.38; 4.5 to before 4.8.14 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* Versions 16.10 Vulnerable ·Canonical

Remediation

Red Hat 3 advisories

  • RHSA-2017:0387 Released 2017-03-02 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-514.10.2.rt56.435.el7, kernel-rt-debug-3.10.0-514.10.2.rt56.435.el7, kernel-rt-debug-devel-3.10.0-514.10.2.rt56.435.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.10.2.rt56.435.el7, kernel-rt-debug-3.10.0-514.10.2.rt56.435.el7, kernel-rt-debug-devel-3.10.0-514.10.2.rt56.435.el7 +7
  • RHSA-2017:0386 Released 2017-03-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.10.2.el7, kernel-abi-whitelists-3.10.0-514.10.2.el7, kernel-debug-3.10.0-514.10.2.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.10.2.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.10.2.el7, kernel-abi-whitelists-3.10.0-514.10.2.el7, kernel-debug-3.10.0-514.10.2.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.10.2.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.10.2.el7, kernel-abi-whitelists-3.10.0-514.10.2.el7, kernel-bootwrapper-3.10.0-514.10.2.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.10.2.el7, kernel-tools-libs-devel-3.10.0-514.10.2.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.10.2.el7, kernel-abi-whitelists-3.10.0-514.10.2.el7, kernel-debug-3.10.0-514.10.2.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.10.2.el7
  • RHSA-2017:0402 Released 2017-03-02 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-514.rt56.215.el6rt, kernel-rt-debug-1:3.10.0-514.rt56.215.el6rt, kernel-rt-debug-devel-1:3.10.0-514.rt56.215.el6rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:0387
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:0386
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:0387
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:0402
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-8655
  2. 2026-10-03 Alias added: GHSA-3x7h-7xqw-rj45

References

Exploit 2

Patch 2

Advisory 27

Sources

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