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Fencer Vulns
high 7.8

CVE-2017-18595 json

An issue was discovered in the Linux kernel before 4.14.11.

published 2019-09-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9708

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

An issue was discovered in the Linux kernel before 4.14.11. A double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c.

Patch / fix

  • linux linux_kernel 3.16.55, 3.18.91, 4.1.50, 4.4.109, 4.9.74, 4.14.11
  • linux Debian 14, Debian 13, Debian 12 4.14.12-1

debian advisories DEBIAN-CVE-2017-18595

  • linux Ubuntu 16.04 LTS 4.4.0-119.143
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1016.16
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1054.63
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1014.14~16.04.1
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-24.26~16.04.1
  • linux-kvm Ubuntu 16.04 LTS 4.4.0-1020.25
  • linux-azure Ubuntu 16.04 LTS 4.15.0-1013.13~16.04.2
  • linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1086.94

ubuntu advisories UBUNTU-CVE-2017-18595

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-alt RHEL 7 4.14.0-115.21.2.el7a
  • perf RHEL 7 4.14.0-115.21.2.el7a
  • kernel RHEL 7 4.14.0-115.21.2.el7a
  • python-perf RHEL 7 4.14.0-115.21.2.el7a
  • kernel-tools RHEL 7 4.14.0-115.21.2.el7a
  • kernel-tools-libs RHEL 7 4.14.0-115.21.2.el7a
  • kernel-bootwrapper RHEL 7 4.14.0-115.21.2.el7a
  • kernel-abi-whitelists RHEL 7 4.14.0-115.21.2.el7a

red hat advisories RHSA-2020:2104RHSA-2020:2522RHSA-2020:2277RHSA-2020:2285RHSA-2020:2289RHSA-2020:2082

  • kernel-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-syms-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-source-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-rt Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-source-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-syms SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-122.7.1

suse advisories SUSE-SU-2020:0093-1SUSE-SU-2019:3295-1SUSE-SU-2019:3200-1SUSE-SU-2019:2984-1SUSE-SU-2019:2949-1SUSE-SU-2019:2950-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-syms openSUSE Leap 15.0 4.12.14-lp150.12.76.1

opensuse advisories openSUSE-SU-2019:2308-1openSUSE-SU-2019:2307-1

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-2017-18595 updated cvss 7.8

kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c

  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1127.8.2.el7, kernel 3.10.0-1127.8.2.el7, bpftool 3.10.0-1127.8.2.el7, python-perf 3.10.0-1127.8.2.el7, kernel-tools 3.10.0-1127.8.2.el7, kernel-tools-libs 3.10.0-1127.8.2.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.8.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1127.8.2.el7, kernel 3.10.0-1127.8.2.el7, bpftool 3.10.0-1127.8.2.el7, python-perf 3.10.0-1127.8.2.el7, kernel-tools 3.10.0-1127.8.2.el7, kernel-tools-libs 3.10.0-1127.8.2.el7, +2 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2082
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) perf 3.10.0-957.54.1.el7, kernel 3.10.0-957.54.1.el7, bpftool 3.10.0-957.54.1.el7, python-perf 3.10.0-957.54.1.el7, kernel-tools 3.10.0-957.54.1.el7, kernel-tools-libs 3.10.0-957.54.1.el7, +2 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2289
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) perf 3.10.0-1062.26.1.el7, kernel 3.10.0-1062.26.1.el7, bpftool 3.10.0-1062.26.1.el7, python-perf 3.10.0-1062.26.1.el7, kernel-tools 3.10.0-1062.26.1.el7, kernel-tools-libs 3.10.0-1062.26.1.el7, +2 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2522
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.8.2.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2082
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-debuginfo-common-x86_64 3.10.0-957.54.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2289
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) kernel-debuginfo-common-x86_64 3.10.0-1062.26.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2522
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.21.2.el7a, kernel 4.14.0-115.21.2.el7a, kernel-alt 4.14.0-115.21.2.el7a, python-perf 4.14.0-115.21.2.el7a, kernel-tools 4.14.0-115.21.2.el7a, kernel-tools-libs 4.14.0-115.21.2.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.21.2.el7a
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2104
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-kvm 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-trace 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-debug-kvm 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-trace-kvm 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.8.2.rt56.1103.el7 Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-trace 3.10.0-1127.8.2.rt56.1103.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.8.2.rt56.1103.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2085
show 24 more
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1127.8.2.el7, kernel 3.10.0-1127.8.2.el7, bpftool 3.10.0-1127.8.2.el7, python-perf 3.10.0-1127.8.2.el7, kernel-kdump 3.10.0-1127.8.2.el7, kernel-tools 3.10.0-1127.8.2.el7, +7 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2082
  • Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.88.1.el7, kernel 3.10.0-327.88.1.el7, python-perf 3.10.0-327.88.1.el7, kernel-tools 3.10.0-327.88.1.el7, kernel-tools-libs 3.10.0-327.88.1.el7, kernel-abi-whitelists 3.10.0-327.88.1.el7, +1 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2285
  • Red Hat Enterprise Linux Server AUS (v. 7.3) perf 3.10.0-514.76.1.el7, kernel 3.10.0-514.76.1.el7, python-perf 3.10.0-514.76.1.el7, kernel-tools 3.10.0-514.76.1.el7, kernel-tools-libs 3.10.0-514.76.1.el7, kernel-abi-whitelists 3.10.0-514.76.1.el7, +1 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server AUS (v. 7.4) perf 3.10.0-693.67.1.el7, kernel 3.10.0-693.67.1.el7, python-perf 3.10.0-693.67.1.el7, kernel-tools 3.10.0-693.67.1.el7, kernel-tools-libs 3.10.0-693.67.1.el7, kernel-abi-whitelists 3.10.0-693.67.1.el7, +1 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Server E4S (v. 7.3) perf 3.10.0-514.76.1.el7, kernel 3.10.0-514.76.1.el7, python-perf 3.10.0-514.76.1.el7, kernel-tools 3.10.0-514.76.1.el7, kernel-tools-libs 3.10.0-514.76.1.el7, kernel-bootwrapper 3.10.0-514.76.1.el7, +3 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server E4S (v. 7.4) perf 3.10.0-693.67.1.el7, kernel 3.10.0-693.67.1.el7, python-perf 3.10.0-693.67.1.el7, kernel-tools 3.10.0-693.67.1.el7, kernel-tools-libs 3.10.0-693.67.1.el7, kernel-bootwrapper 3.10.0-693.67.1.el7, +3 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Server EUS (v. 7.6) perf 3.10.0-957.54.1.el7, kernel 3.10.0-957.54.1.el7, bpftool 3.10.0-957.54.1.el7, python-perf 3.10.0-957.54.1.el7, kernel-kdump 3.10.0-957.54.1.el7, kernel-tools 3.10.0-957.54.1.el7, +7 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2289
  • Red Hat Enterprise Linux Server EUS (v. 7.7) perf 3.10.0-1062.26.1.el7, kernel 3.10.0-1062.26.1.el7, bpftool 3.10.0-1062.26.1.el7, python-perf 3.10.0-1062.26.1.el7, kernel-kdump 3.10.0-1062.26.1.el7, kernel-tools 3.10.0-1062.26.1.el7, +7 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2522
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1127.8.2.el7, kernel-debuginfo-common-x86_64 3.10.0-1127.8.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-1127.8.2.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2082
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.88.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2285
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.76.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.67.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.76.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.76.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.67.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.67.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debuginfo-common-ppc64 3.10.0-957.54.1.el7, kernel-debuginfo-common-x86_64 3.10.0-957.54.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.54.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2289
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.7) kernel-debuginfo-common-ppc64 3.10.0-1062.26.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1062.26.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1062.26.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2522
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.76.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.67.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Server TUS (v. 7.3) perf 3.10.0-514.76.1.el7, kernel 3.10.0-514.76.1.el7, python-perf 3.10.0-514.76.1.el7, kernel-tools 3.10.0-514.76.1.el7, kernel-tools-libs 3.10.0-514.76.1.el7, kernel-abi-whitelists 3.10.0-514.76.1.el7, +1 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2277
  • Red Hat Enterprise Linux Server TUS (v. 7.4) perf 3.10.0-693.67.1.el7, kernel 3.10.0-693.67.1.el7, python-perf 3.10.0-693.67.1.el7, kernel-tools 3.10.0-693.67.1.el7, kernel-tools-libs 3.10.0-693.67.1.el7, kernel-abi-whitelists 3.10.0-693.67.1.el7, +1 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2214
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1127.8.2.el7, kernel 3.10.0-1127.8.2.el7, bpftool 3.10.0-1127.8.2.el7, python-perf 3.10.0-1127.8.2.el7, kernel-tools 3.10.0-1127.8.2.el7, kernel-tools-libs 3.10.0-1127.8.2.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.8.2.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2082
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.67.1.rt56.665.el6rt, kernel-rt-trace 3.10.0-693.67.1.rt56.665.el6rt, kernel-rt-vanilla 3.10.0-693.67.1.rt56.665.el6rt, kernel-rt-firmware 3.10.0-693.67.1.rt56.665.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.67.1.rt56.665.el6rt
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2242
  • Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUS perf 3.10.0-957.54.1.el7, python-perf 3.10.0-957.54.1.el7
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:2289
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

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

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns 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.