A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
CVE-2017-2618
Score 5.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity55% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 38%
- KEV
- Not listed
Published
July 27, 2018
Last Modified
November 21, 2024
References (16)
- secalert@redhathttp://www.securityfocus.com/bid/96272
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:0931
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:0932
- secalert@redhathttps://access.redhat.com/errata/RHSA-2017:0933
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618
- secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125
- secalert@redhathttps://marc.info/?l=selinux&m=148588165923772&w=2
- secalert@redhathttps://www.debian.org/security/2017/dsa-3791
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/96272
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:0931
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:0932
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:0933
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618
- af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125
- af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=selinux&m=148588165923772&w=2
Vendor Advisories for CVE-2017-2618(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-extra-3.13.0-126-generic (3.13.0-126.175) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.10.0-27-generic (4.10.0-27.30~16.04.2) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-generic-lts-trusty (3.13.0.126.117) @ precise | 2026-05-28 | ubuntu |
| redhat | kernel-rt-0:3.10.0-514.16.1.rt56.437.el7 | 2017-04-12 | redhat |
| redhat | kernel-0:3.10.0-514.16.1.el7 | 2017-04-12 | redhat |
| redhat | kernel-rt-1:3.10.0-514.rt56.219.el6rt | 2017-04-12 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(5 across 5 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.9.10-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.9.10-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.9.10-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.9.10-1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 3.16.36-1 ... 3.16.7-ckt9-3~deb8u1~bpo70+1 (42 versions) | 3.16.39-1+deb8u1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(5)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 5× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 115 total refreshes for this CVE.
- 2026-08-25 13:44 UTCEPSS rescore
- 2026-08-22 11:37 UTCOSV refresh
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-20 22:51 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-18 13:43 UTCEPSS rescore
- 2026-08-17 13:42 UTCEPSS rescore
- 2026-08-16 14:51 UTCEPSS rescore
- 2026-08-16 02:10 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-12 13:46 UTCEPSS rescore
- 2026-08-09 13:42 UTCEPSS rescore
- 2026-08-07 16:22 UTCEPSS rescore
- 2026-08-06 14:35 UTCOSV refresh
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-05 19:12 UTCEPSS rescore
- 2026-08-04 15:05 UTCEPSS rescore
- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:11 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:26 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:29 UTCEG score recompute
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- 2026-07-22 22:08 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
- 2026-07-21 07:47 UTCOSV refresh
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:00 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:10 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 03:26 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-15 15:13 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-2618?
When was CVE-2017-2618 disclosed?
Is CVE-2017-2618 actively exploited?
What is the CVSS score of CVE-2017-2618?
How do I remediate CVE-2017-2618?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-2618
Is Your Infrastructure Affected by CVE-2017-2618?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.