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TI-2018-00988 Aliases CVE-2018-1068GHSA-xfrv-5h7j-4qvx

Memory corruption in Linux Kernel

Priority LOW 30CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
High
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-119 and the CVSS impact.

Summary

A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.

Why it matters now

EPSS 0.00448 39th percentileScored 2026-11-07
Fix Fixed Red Hat: 6 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux Kernel4.x—No fix listedCNA
  • Linux Kernel VendorLinux Affected 4.x Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 3.2.102; 3.3 to before 3.16.57; 3.17 to before 3.18.100; 3.19 to before 4.1.51; 4.2 to before 4.4.122; 4.5 to before 4.9.88; 4.10 to before 4.14.27; 4.15 to before 4.15.10VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.2.102; 3.3 to before 3.16.57; 3.17 to before 3.18.100; 3.19 to before 4.1.51; 4.2 to before 4.4.122; 4.5 to before 4.9.88; 4.10 to before 4.14.27; 4.15 to before 4.15.10 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 6 advisories

  • RHSA-2019:4159 Released 2019-12-10 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.3) kernel-3.10.0-514.71.1.el7, kernel-abi-whitelists-3.10.0-514.71.1.el7, kernel-debug-3.10.0-514.71.1.el7 +8
    • Red Hat Enterprise Linux Server E4S (v. 7.3) kernel-3.10.0-514.71.1.el7, kernel-abi-whitelists-3.10.0-514.71.1.el7, kernel-bootwrapper-3.10.0-514.71.1.el7 +9
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.71.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debug-devel-3.10.0-514.71.1.el7, kernel-tools-libs-devel-3.10.0-514.71.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.71.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.3) kernel-3.10.0-514.71.1.el7, kernel-abi-whitelists-3.10.0-514.71.1.el7, kernel-debug-3.10.0-514.71.1.el7 +8
  • RHSA-2019:1190 Released 2019-05-14 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.47.2.rt56.641.el6rt, kernel-rt-debug-1:3.10.0-693.47.2.rt56.641.el6rt, kernel-rt-debug-devel-1:3.10.0-693.47.2.rt56.641.el6rt +7
  • RHSA-2019:1170 Released 2019-05-14 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) kernel-3.10.0-693.47.2.el7, kernel-abi-whitelists-3.10.0-693.47.2.el7, kernel-debug-3.10.0-693.47.2.el7 +7
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.47.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.4) kernel-3.10.0-693.47.2.el7, kernel-abi-whitelists-3.10.0-693.47.2.el7, kernel-bootwrapper-3.10.0-693.47.2.el7 +10
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) kernel-debug-devel-3.10.0-693.47.2.el7, kernel-tools-libs-devel-3.10.0-693.47.2.el7
Show 3 more Red Hat advisories
  • RHSA-2018:2948 Released 2018-10-30 · Red Hat rating Important
    kernel-alt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-4.14.0-115.el7a, kernel-abi-whitelists-4.14.0-115.el7a, kernel-alt-4.14.0-115.el7a +9
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-4.14.0-115.el7a, kernel-tools-libs-devel-4.14.0-115.el7a
  • RHSA-2018:1355 Released 2018-05-08 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-862.2.3.rt56.806.el7, kernel-rt-debug-3.10.0-862.2.3.rt56.806.el7, kernel-rt-debug-devel-3.10.0-862.2.3.rt56.806.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-862.2.3.rt56.806.el7, kernel-rt-debug-3.10.0-862.2.3.rt56.806.el7, kernel-rt-debug-devel-3.10.0-862.2.3.rt56.806.el7 +7
  • RHSA-2018:1318 Released 2018-05-08 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-862.2.3.el7, kernel-abi-whitelists-3.10.0-862.2.3.el7, kernel-debug-3.10.0-862.2.3.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.2.3.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-862.2.3.el7, kernel-abi-whitelists-3.10.0-862.2.3.el7, kernel-debug-3.10.0-862.2.3.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.2.3.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-862.2.3.el7, kernel-abi-whitelists-3.10.0-862.2.3.el7, kernel-bootwrapper-3.10.0-862.2.3.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-862.2.3.el7, kernel-tools-libs-devel-3.10.0-862.2.3.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-862.2.3.el7, kernel-abi-whitelists-3.10.0-862.2.3.el7, kernel-debug-3.10.0-862.2.3.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-862.2.3.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-3.10.0-862.2.3.el7, kernel-abi-whitelists-3.10.0-862.2.3.el7, kernel-bootwrapper-3.10.0-862.2.3.el7 +11
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-3.10.0-862.2.3.el7, kernel-doc-3.10.0-862.2.3.el7, kernel-tools-libs-devel-3.10.0-862.2.3.el7

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-2018:1318
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4)Fixed RHSA-2019:1170
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4)Fixed RHSA-2019:1170
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2018:1355
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux Server AUS (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Server E4S (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:1170
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux Server Optional AUS (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Server Optional E4S (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Server Optional EUS (v. 7.4)Fixed RHSA-2019:1170
Red Hat Enterprise Linux Server Optional TUS (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Server TUS (v. 7.3)Fixed RHSA-2019:4159
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:1318
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:1318, RHSA-2018:2948
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:1318, RHSA-2018:2948
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2018:1355
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2019:1190
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1068
  2. 2026-10-03 Alias added: GHSA-xfrv-5h7j-4qvx

References

Patch 3

Advisory 18

  • 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

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