CVE-2017-7472 json
The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of…
published 2017-05-11 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16495
- cvss
- 5.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 1
- Exploit-DB
Summary
The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.
Patch / fix
- linux Debian 14, Debian 13, Debian 12 4.9.25-1
debian advisories DEBIAN-CVE-2017-7472
- linux Ubuntu 14.04 LTS 3.13.0-132.181
- linux Ubuntu 16.04 LTS 4.4.0-79.100
- linux-aws Ubuntu 16.04 LTS 4.4.0-1018.27
- linux-gke Ubuntu 16.04 LTS 4.4.0-1014.14
- linux-hwe Ubuntu 16.04 LTS 4.10.0-32.36~16.04.1
- linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1057.64
- linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-79.100~14.04.1
- linux-snapdragon Ubuntu 16.04 LTS 4.4.0-1059.63
ubuntu advisories UBUNTU-CVE-2017-7472
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 1:3.10.0-693.17.1.rt56.604.el6rt
- kernel-rt-trace enterprise mrg 2 1:3.10.0-693.17.1.rt56.604.el6rt
- kernel-rt-vanilla enterprise mrg 2 1:3.10.0-693.17.1.rt56.604.el6rt
- kernel-rt-firmware enterprise mrg 2 1:3.10.0-693.17.1.rt56.604.el6rt
- kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-693.17.1.rt56.604.el6rt
- kernel-rt RHEL 7 EXTRAS_RT 3.10.0-693.17.1.rt56.636.el7
- kernel-rt-kvm RHEL 7 EXTRAS_RT 3.10.0-693.17.1.rt56.636.el7
- kernel-rt-trace RHEL 7 EXTRAS_RT 3.10.0-693.17.1.rt56.636.el7
red hat advisories RHSA-2018:0181RHSA-2018:0152RHSA-2018:0151
- kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.110.1
- kernel-rt SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
- kernel-syms-rt SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
- kernel-rt_trace SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
- kernel-source-rt SLE Real Time 11 SP4 3.0.101.rt130-69.14.1
- kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
- kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
- kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
suse advisories SUSE-SU-2019:1289-1SUSE-SU-2018:0180-1SUSE-SU-2018:0040-1SUSE-SU-2018:0011-1
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-2017-7472 updated cvss 5.5
kernel: keyctl_set_reqkey_keyring() leaks thread keyrings
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 moreaffected: no fix available
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-693.17.1.el7, kernel 3.10.0-693.17.1.el7, python-perf 3.10.0-693.17.1.el7, kernel-tools 3.10.0-693.17.1.el7, kernel-tools-libs 3.10.0-693.17.1.el7, kernel-abi-whitelists 3.10.0-693.17.1.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.17.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-693.17.1.el7, kernel 3.10.0-693.17.1.el7, python-perf 3.10.0-693.17.1.el7, kernel-tools 3.10.0-693.17.1.el7, kernel-tools-libs 3.10.0-693.17.1.el7, kernel-abi-whitelists 3.10.0-693.17.1.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.17.1.el7fixed: vendor fix RHSA-2018:0151
-
Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-693.17.1.rt56.636.el7, kernel-rt-kvm 3.10.0-693.17.1.rt56.636.el7, kernel-rt-trace 3.10.0-693.17.1.rt56.636.el7, kernel-rt-debug-kvm 3.10.0-693.17.1.rt56.636.el7, kernel-rt-trace-kvm 3.10.0-693.17.1.rt56.636.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.17.1.rt56.636.el7 Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-693.17.1.rt56.636.el7, kernel-rt-trace 3.10.0-693.17.1.rt56.636.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-693.17.1.rt56.636.el7fixed: vendor fix RHSA-2018:0152
-
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-693.17.1.el7, kernel 3.10.0-693.17.1.el7, python-perf 3.10.0-693.17.1.el7, kernel-kdump 3.10.0-693.17.1.el7, kernel-tools 3.10.0-693.17.1.el7, kernel-tools-libs 3.10.0-693.17.1.el7, +6 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-693.17.1.el7, kernel-debuginfo-common-x86_64 3.10.0-693.17.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.17.1.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-693.17.1.el7, kernel 3.10.0-693.17.1.el7, python-perf 3.10.0-693.17.1.el7, kernel-tools 3.10.0-693.17.1.el7, kernel-tools-libs 3.10.0-693.17.1.el7, kernel-abi-whitelists 3.10.0-693.17.1.el7, +1 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-693.17.1.el7fixed: vendor fix RHSA-2018:0151
-
Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-trace 3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-vanilla 3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-firmware 3.10.0-693.17.1.rt56.604.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.17.1.rt56.604.el6rtfixed: vendor fix RHSA-2018:0181
-
Red Hat Enterprise Linux 5 kernelnot 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
- Published
- First public exploit (EDB-42136)
Exploit prediction
2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-42136 Linux Kernel < 4.10.13 - 'keyctl_set_reqkey_keyring' Local Denial of Service dos, 2017-06-07
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- n/a Linux kernel before 4.10.13
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
- Technology feeds
References
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
issue-tracking, patch, third-party-advisory
-
github.com
/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
issue-tracking, patch, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=1442086
issue-tracking, patch
-
bugzilla.novell.com
/show_bug.cgi?id=1034862
issue-tracking, patch
-
openwall.com
/lists/oss-security/2017/05/11/1
mailing-list, patch, third-party-advisory
-
exploit-db.com
/exploits/42136/
exploit
-
access.redhat.com
/errata/RHSA-2018:0181
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2018-01/msg00007.html
vendor-advisory
-
access.redhat.com
/errata/RHSA-2018:0152
vendor-advisory
-
access.redhat.com
/errata/RHSA-2018:0151
vendor-advisory
-
kernel.org
/pub/linux/kernel/v4.x/ChangeLog-4.10.13
release-notes, vendor-advisory
-
lkml.org
/lkml/2017/4/3/724
broken-link
-
securityfocus.com
/bid/98422
vdb-entry
-
securitytracker.com
/id/1038471
vdb-entry
-
lkml.org
/lkml/2017/4/1/235
broken-link
Sources
- CVE List CVE-2017-7472
- NVD CVE-2017-7472
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.