Read the docs
TI-2017-11440 Aliases CVE-2017-15649GHSA-wjx2-qc46-g62h

net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain…

Priority LOW 36CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.

Why it matters now

EPSS 0.00962 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 3 advisoriesRed Hat: 11 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 · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.13.5VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.13.5 Vulnerable ·Linux

Remediation

Red Hat 3 advisories

  • RHSA-2018:0181 Released 2018-01-25 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-debug-1:3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-debug-devel-1:3.10.0-693.17.1.rt56.604.el6rt +7
  • RHSA-2018:0152 Released 2018-01-25 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-693.17.1.rt56.636.el7, kernel-rt-debug-3.10.0-693.17.1.rt56.636.el7, kernel-rt-debug-devel-3.10.0-693.17.1.rt56.636.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-693.17.1.rt56.636.el7, kernel-rt-debug-3.10.0-693.17.1.rt56.636.el7, kernel-rt-debug-devel-3.10.0-693.17.1.rt56.636.el7 +7
  • RHSA-2018:0151 Released 2018-01-25 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-693.17.1.el7, kernel-abi-whitelists-3.10.0-693.17.1.el7, kernel-debug-3.10.0-693.17.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.17.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-693.17.1.el7, kernel-abi-whitelists-3.10.0-693.17.1.el7, kernel-debug-3.10.0-693.17.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.17.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-693.17.1.el7, kernel-abi-whitelists-3.10.0-693.17.1.el7, kernel-bootwrapper-3.10.0-693.17.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-693.17.1.el7, kernel-tools-libs-devel-3.10.0-693.17.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-693.17.1.el7, kernel-abi-whitelists-3.10.0-693.17.1.el7, kernel-debug-3.10.0-693.17.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.17.1.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2018:0152
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:0151
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2018:0152
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2018:0181
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-15649
  2. 2026-10-03 Alias added: GHSA-wjx2-qc46-g62h

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources