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Fencer Vulns
high 7.0

CVE-2017-7533 json

Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of…

published 2017-08-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16547

cvss
7.0
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
1
Exploit-DB

Summary

Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the inotify_handle_event and vfs_rename functions.

Patch / fix

  • linux linux_kernel 3.16.47, 3.18.64, 4.4.80, 4.9.41, 4.12.5
  • linux Debian 14, Debian 13, Debian 12 4.12.6-1

debian advisories DEBIAN-CVE-2017-7533

  • linux Ubuntu 16.04 LTS 4.4.0-89.112
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1028.37
  • linux-gke Ubuntu 16.04 LTS 4.4.0-1024.24
  • linux-hwe Ubuntu 16.04 LTS 4.10.0-32.36~16.04.1
  • linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1067.75
  • linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-89.112~14.04.1
  • linux-snapdragon Ubuntu 16.04 LTS 4.4.0-1069.74

ubuntu advisories UBUNTU-CVE-2017-7533

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-rt enterprise mrg 2 1:3.10.0-693.2.1.rt56.585.el6rt
  • kernel-rt-trace enterprise mrg 2 1:3.10.0-693.2.1.rt56.585.el6rt
  • kernel-rt-vanilla enterprise mrg 2 1:3.10.0-693.2.1.rt56.585.el6rt
  • kernel-rt-firmware enterprise mrg 2 1:3.10.0-693.2.1.rt56.585.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-693.2.1.rt56.585.el6rt
  • kernel-rt RHEL 7 EXTRAS_RT 3.10.0-693.2.1.rt56.620.el7
  • kernel-rt-kvm RHEL 7 EXTRAS_RT 3.10.0-693.2.1.rt56.620.el7
  • kernel-rt-trace RHEL 7 EXTRAS_RT 3.10.0-693.2.1.rt56.620.el7

red hat advisories RHSA-2017:2669RHSA-2017:2770RHSA-2017:2869RHSA-2017:2585RHSA-2017:2473

  • kernel-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-syms-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-rt_debug SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-source-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.5.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.5.1
  • kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.5.1
  • kernel-syms SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.5.1

suse advisories SUSE-SU-2017:2956-1SUSE-SU-2017:2525-1SUSE-SU-2017:2389-1SUSE-SU-2017:2342-1SUSE-SU-2017:2286-1SUSE-SU-2017:2114-1

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-2017-7533 updated cvss 7.8

kernel: a race between inotify_handle_event() and sys_rename()

  • Red Hat Enterprise Linux 7 perf, kernel, python-perf, kernel-kdump, kernel-tools, kernel-tools-libs, +2 more
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-693.1.1.el7, kernel 3.10.0-693.1.1.el7, python-perf 3.10.0-693.1.1.el7, kernel-tools 3.10.0-693.1.1.el7, kernel-tools-libs 3.10.0-693.1.1.el7, kernel-abi-whitelists 3.10.0-693.1.1.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.1.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-693.1.1.el7, kernel 3.10.0-693.1.1.el7, python-perf 3.10.0-693.1.1.el7, kernel-tools 3.10.0-693.1.1.el7, kernel-tools-libs 3.10.0-693.1.1.el7, kernel-abi-whitelists 3.10.0-693.1.1.el7, +1 more
    fixed: vendor fix RHSA-2017:2473
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.2) perf 3.10.0-327.61.3.el7, kernel 3.10.0-327.61.3.el7, python-perf 3.10.0-327.61.3.el7, kernel-tools 3.10.0-327.61.3.el7, kernel-tools-libs 3.10.0-327.61.3.el7, kernel-abi-whitelists 3.10.0-327.61.3.el7, +1 more
    fixed: vendor fix RHSA-2017:2869
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) perf 3.10.0-514.32.2.el7, kernel 3.10.0-514.32.2.el7, python-perf 3.10.0-514.32.2.el7, kernel-tools 3.10.0-514.32.2.el7, kernel-tools-libs 3.10.0-514.32.2.el7, kernel-abi-whitelists 3.10.0-514.32.2.el7, +1 more
    fixed: vendor fix RHSA-2017:2770
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.1.1.el7
    fixed: vendor fix RHSA-2017:2473
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.61.3.el7
    fixed: vendor fix RHSA-2017:2869
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.32.2.el7
    fixed: vendor fix RHSA-2017:2770
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-693.2.1.rt56.620.el7, kernel-rt-kvm 3.10.0-693.2.1.rt56.620.el7, kernel-rt-trace 3.10.0-693.2.1.rt56.620.el7, kernel-rt-debug-kvm 3.10.0-693.2.1.rt56.620.el7, kernel-rt-trace-kvm 3.10.0-693.2.1.rt56.620.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.2.1.rt56.620.el7 Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-693.2.1.rt56.620.el7, kernel-rt-trace 3.10.0-693.2.1.rt56.620.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.2.1.rt56.620.el7
    fixed: vendor fix RHSA-2017:2585
show 9 more
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-693.1.1.el7, kernel 3.10.0-693.1.1.el7, python-perf 3.10.0-693.1.1.el7, kernel-kdump 3.10.0-693.1.1.el7, kernel-tools 3.10.0-693.1.1.el7, kernel-tools-libs 3.10.0-693.1.1.el7, +6 more
    fixed: vendor fix RHSA-2017:2473
  • Red Hat Enterprise Linux Server EUS (v. 7.2) perf 3.10.0-327.61.3.el7, kernel 3.10.0-327.61.3.el7, python-perf 3.10.0-327.61.3.el7, kernel-kdump 3.10.0-327.61.3.el7, kernel-tools 3.10.0-327.61.3.el7, kernel-tools-libs 3.10.0-327.61.3.el7, +6 more
    fixed: vendor fix RHSA-2017:2869
  • Red Hat Enterprise Linux Server EUS (v. 7.3) perf 3.10.0-514.32.2.el7, kernel 3.10.0-514.32.2.el7, python-perf 3.10.0-514.32.2.el7, kernel-kdump 3.10.0-514.32.2.el7, kernel-tools 3.10.0-514.32.2.el7, kernel-tools-libs 3.10.0-514.32.2.el7, +6 more
    fixed: vendor fix RHSA-2017:2770
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-693.1.1.el7, kernel-debuginfo-common-x86_64 3.10.0-693.1.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.1.1.el7
    fixed: vendor fix RHSA-2017:2473
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.2) kernel-debuginfo-common-ppc64 3.10.0-327.61.3.el7, kernel-debuginfo-common-x86_64 3.10.0-327.61.3.el7, kernel-debuginfo-common-ppc64le 3.10.0-327.61.3.el7
    fixed: vendor fix RHSA-2017:2869
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.3) kernel-debuginfo-common-ppc64 3.10.0-514.32.2.el7, kernel-debuginfo-common-x86_64 3.10.0-514.32.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.32.2.el7
    fixed: vendor fix RHSA-2017:2770
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-693.1.1.el7, kernel 3.10.0-693.1.1.el7, python-perf 3.10.0-693.1.1.el7, kernel-tools 3.10.0-693.1.1.el7, kernel-tools-libs 3.10.0-693.1.1.el7, kernel-abi-whitelists 3.10.0-693.1.1.el7, +1 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.1.1.el7
    fixed: vendor fix RHSA-2017:2473
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-trace 3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-vanilla 3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-firmware 3.10.0-693.2.1.rt56.585.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.2.1.rt56.585.el6rt
    fixed: vendor fix RHSA-2017:2669
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 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

Timeline

  1. Published
  2. First public exploit (EDB-44302)

Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44302 Linux Kernel < 3.16.39 (Debian 8 x64) - 'inotfiy' Local Privilege Escalation local, 2017-10-16

CVSS scores

assigned by version score vector
NVD 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • n/a Linux kernel through 4.12.4

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
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.