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Fencer Intel
high 7.8

CVE-2018-9568 json

In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion.

published 2018-12-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21162

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-113509306. References: Upstream kernel.

Patch / fix

  • linux linux_kernel 3.10.108, 3.16.58, 3.18.77, 4.1.46, 4.4.94, 4.9.55, 4.13.6
  • linux Debian 14, Debian 13, Debian 12 4.13.10-1

debian advisories DEBIAN-CVE-2018-9568

  • linux Ubuntu 14.04 LTS 3.13.0-165.215
  • linux Ubuntu 16.04 LTS 4.4.0-101.124
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1003.3
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1041.50
  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-kvm Ubuntu 16.04 LTS 4.4.0-1010.15
  • linux-azure Ubuntu 16.04 LTS 4.13.0-1005.7

ubuntu advisories UBUNTU-CVE-2018-9568

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 6 2.6.32-754.22.1.el6
  • perf RHEL 6 2.6.32-754.22.1.el6
  • python-perf RHEL 6 2.6.32-754.22.1.el6
  • kernel-kdump RHEL 6 2.6.32-754.22.1.el6
  • kernel-firmware RHEL 6 2.6.32-754.22.1.el6
  • kernel-bootwrapper RHEL 6 2.6.32-754.22.1.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-754.22.1.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-754.22.1.el6

red hat advisories RHSA-2019:3967RHSA-2019:4255RHSA-2019:4159RHSA-2019:4164RHSA-2019:4056RHSA-2019:2736

  • kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.110.1
  • ocfs2 SLE Real Time 11 SP4, SLE High Availability Extension 11 SP4 1.6-0.28.7.1
  • kernel-ec2 SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-pae SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-xen SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-syms SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-ppc64 SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1
  • kernel-trace SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.87.1

suse advisories SUSE-SU-2019:1289-1SUSE-SU-2019:13979-1SUSE-SU-2019:0541-1SUSE-SU-2019:0439-1SUSE-SU-2019:0320-1SUSE-SU-2019:0224-1

  • kernel-source openSUSE Leap 15.0 4.12.14-lp150.12.45.1

opensuse advisories openSUSE-SU-2019:0065-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-9568 updated cvss 7.0

kernel: Memory corruption due to incorrect socket cloning

  • Red Hat Enterprise Linux 5 kernel
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-957.10.1.el7, kernel 3.10.0-957.10.1.el7, bpftool 3.10.0-957.10.1.el7, python-perf 3.10.0-957.10.1.el7, kernel-tools 3.10.0-957.10.1.el7, kernel-tools-libs 3.10.0-957.10.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.10.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-957.10.1.el7, kernel 3.10.0-957.10.1.el7, bpftool 3.10.0-957.10.1.el7, python-perf 3.10.0-957.10.1.el7, kernel-tools 3.10.0-957.10.1.el7, kernel-tools-libs 3.10.0-957.10.1.el7, +2 more
    fixed: vendor fix RHSA-2019:0512
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) perf 3.10.0-693.58.1.el7, kernel 3.10.0-693.58.1.el7, python-perf 3.10.0-693.58.1.el7, kernel-tools 3.10.0-693.58.1.el7, kernel-tools-libs 3.10.0-693.58.1.el7, kernel-abi-whitelists 3.10.0-693.58.1.el7, +1 more
    fixed: vendor fix RHSA-2019:2696
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) perf 3.10.0-862.44.2.el7, kernel 3.10.0-862.44.2.el7, python-perf 3.10.0-862.44.2.el7, kernel-tools 3.10.0-862.44.2.el7, kernel-tools-libs 3.10.0-862.44.2.el7, kernel-abi-whitelists 3.10.0-862.44.2.el7, +1 more
    fixed: vendor fix RHSA-2019:3967
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.10.1.el7
    fixed: vendor fix RHSA-2019:0512
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.58.1.el7
    fixed: vendor fix RHSA-2019:2696
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) kernel-debuginfo-common-x86_64 3.10.0-862.44.2.el7
    fixed: vendor fix RHSA-2019:3967
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-754.22.1.el6, kernel 2.6.32-754.22.1.el6, kernel-firmware 2.6.32-754.22.1.el6, kernel-abi-whitelists 2.6.32-754.22.1.el6, kernel-debuginfo-common-i686 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-754.22.1.el6, kernel-debuginfo-common-i686 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6
    fixed: vendor fix RHSA-2019:2736
show 28 more
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-957.10.1.rt56.921.el7, kernel-rt-kvm 3.10.0-957.10.1.rt56.921.el7, kernel-rt-trace 3.10.0-957.10.1.rt56.921.el7, kernel-rt-debug-kvm 3.10.0-957.10.1.rt56.921.el7, kernel-rt-trace-kvm 3.10.0-957.10.1.rt56.921.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-957.10.1.rt56.921.el7
    fixed: vendor fix RHSA-2019:0514
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-754.22.1.el6, kernel 2.6.32-754.22.1.el6, kernel-firmware 2.6.32-754.22.1.el6, kernel-abi-whitelists 2.6.32-754.22.1.el6, kernel-debuginfo-common-i686 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6
    fixed: vendor fix RHSA-2019:2736
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-957.10.1.rt56.921.el7, kernel-rt-trace 3.10.0-957.10.1.rt56.921.el7
    fixed: vendor fix RHSA-2019:0514
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-754.22.1.el6, kernel 2.6.32-754.22.1.el6, kernel-kdump 2.6.32-754.22.1.el6, kernel-firmware 2.6.32-754.22.1.el6, kernel-bootwrapper 2.6.32-754.22.1.el6, kernel-abi-whitelists 2.6.32-754.22.1.el6, +4 more
    fixed: vendor fix RHSA-2019:2736
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-957.10.1.el7, kernel 3.10.0-957.10.1.el7, bpftool 3.10.0-957.10.1.el7, python-perf 3.10.0-957.10.1.el7, kernel-kdump 3.10.0-957.10.1.el7, kernel-tools 3.10.0-957.10.1.el7, +7 more
    fixed: vendor fix RHSA-2019:0512
  • Red Hat Enterprise Linux Server AUS (v. 6.5) perf 2.6.32-431.97.1.el6, kernel 2.6.32-431.97.1.el6, kernel-firmware 2.6.32-431.97.1.el6, kernel-abi-whitelists 2.6.32-431.97.1.el6, kernel-debuginfo-common-x86_64 2.6.32-431.97.1.el6
    fixed: vendor fix RHSA-2019:4056
  • Red Hat Enterprise Linux Server AUS (v. 6.6) perf 2.6.32-504.82.1.el6, kernel 2.6.32-504.82.1.el6, kernel-firmware 2.6.32-504.82.1.el6, kernel-abi-whitelists 2.6.32-504.82.1.el6, kernel-debuginfo-common-x86_64 2.6.32-504.82.1.el6
    fixed: vendor fix RHSA-2019:4255
  • Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.83.1.el7, kernel 3.10.0-327.83.1.el7, python-perf 3.10.0-327.83.1.el7, kernel-tools 3.10.0-327.83.1.el7, kernel-tools-libs 3.10.0-327.83.1.el7, kernel-abi-whitelists 3.10.0-327.83.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server AUS (v. 7.3) perf 3.10.0-514.71.1.el7, kernel 3.10.0-514.71.1.el7, python-perf 3.10.0-514.71.1.el7, kernel-tools 3.10.0-514.71.1.el7, kernel-tools-libs 3.10.0-514.71.1.el7, kernel-abi-whitelists 3.10.0-514.71.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Server E4S (v. 7.2) perf 3.10.0-327.83.1.el7, kernel 3.10.0-327.83.1.el7, python-perf 3.10.0-327.83.1.el7, kernel-tools 3.10.0-327.83.1.el7, kernel-tools-libs 3.10.0-327.83.1.el7, kernel-abi-whitelists 3.10.0-327.83.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server E4S (v. 7.3) perf 3.10.0-514.71.1.el7, kernel 3.10.0-514.71.1.el7, python-perf 3.10.0-514.71.1.el7, kernel-tools 3.10.0-514.71.1.el7, kernel-tools-libs 3.10.0-514.71.1.el7, kernel-bootwrapper 3.10.0-514.71.1.el7, +3 more
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Server EUS (v. 7.4) perf 3.10.0-693.58.1.el7, kernel 3.10.0-693.58.1.el7, python-perf 3.10.0-693.58.1.el7, kernel-kdump 3.10.0-693.58.1.el7, kernel-tools 3.10.0-693.58.1.el7, kernel-tools-libs 3.10.0-693.58.1.el7, +6 more
    fixed: vendor fix RHSA-2019:2696
  • Red Hat Enterprise Linux Server EUS (v. 7.5) perf 3.10.0-862.44.2.el7, kernel 3.10.0-862.44.2.el7, python-perf 3.10.0-862.44.2.el7, kernel-kdump 3.10.0-862.44.2.el7, kernel-tools 3.10.0-862.44.2.el7, kernel-tools-libs 3.10.0-862.44.2.el7, +6 more
    fixed: vendor fix RHSA-2019:3967
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-754.22.1.el6, kernel-debuginfo-common-i686 2.6.32-754.22.1.el6, kernel-debuginfo-common-ppc64 2.6.32-754.22.1.el6, kernel-debuginfo-common-s390x 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6
    fixed: vendor fix RHSA-2019:2736
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-957.10.1.el7, kernel-debuginfo-common-x86_64 3.10.0-957.10.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.10.1.el7
    fixed: vendor fix RHSA-2019:0512
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.5) kernel 2.6.32-431.97.1.el6, python-perf 2.6.32-431.97.1.el6, kernel-debuginfo-common-x86_64 2.6.32-431.97.1.el6
    fixed: vendor fix RHSA-2019:4056
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.6) python-perf 2.6.32-504.82.1.el6, kernel-debuginfo-common-x86_64 2.6.32-504.82.1.el6
    fixed: vendor fix RHSA-2019:4255
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.83.1.el7
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.71.1.el7
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Server Optional E4S (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.83.1.el7
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.71.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.71.1.el7
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) kernel-debuginfo-common-ppc64 3.10.0-693.58.1.el7, kernel-debuginfo-common-x86_64 3.10.0-693.58.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.58.1.el7
    fixed: vendor fix RHSA-2019:2696
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) kernel-debuginfo-common-ppc64 3.10.0-862.44.2.el7, kernel-debuginfo-common-x86_64 3.10.0-862.44.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-862.44.2.el7
    fixed: vendor fix RHSA-2019:3967
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.83.1.el7
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.71.1.el7
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Server TUS (v. 7.2) perf 3.10.0-327.83.1.el7, kernel 3.10.0-327.83.1.el7, python-perf 3.10.0-327.83.1.el7, kernel-tools 3.10.0-327.83.1.el7, kernel-tools-libs 3.10.0-327.83.1.el7, kernel-abi-whitelists 3.10.0-327.83.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4164
  • Red Hat Enterprise Linux Server TUS (v. 7.3) perf 3.10.0-514.71.1.el7, kernel 3.10.0-514.71.1.el7, python-perf 3.10.0-514.71.1.el7, kernel-tools 3.10.0-514.71.1.el7, kernel-tools-libs 3.10.0-514.71.1.el7, kernel-abi-whitelists 3.10.0-514.71.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4159
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-754.22.1.el6, kernel 2.6.32-754.22.1.el6, kernel-firmware 2.6.32-754.22.1.el6, kernel-abi-whitelists 2.6.32-754.22.1.el6, kernel-debuginfo-common-i686 2.6.32-754.22.1.el6, kernel-debuginfo-common-x86_64 2.6.32-754.22.1.el6
    fixed: vendor fix RHSA-2019:2736

4 more fixed, 2 more not affected in the full advisory

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Google Inc. Android

Classification

Weakness
  • CWE-704 Incorrect Type Conversion or Cast
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.