A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
CVE-2018-1068
Score 6.7 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 6.7; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EPSS
- 36.4%
- KEV
- Not listed
Published
March 16, 2018
Last Modified
November 21, 2024
References (44)
- secalert@redhathttp://www.securityfocus.com/bid/103459
- secalert@redhathttps://access.redhat.com/errata/RHSA-2018:1318
- secalert@redhathttps://access.redhat.com/errata/RHSA-2018:1355
- secalert@redhathttps://access.redhat.com/errata/RHSA-2018:2948
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:1170
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:1190
- secalert@redhathttps://access.redhat.com/errata/RHSA-2019:4159
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1552048
- secalert@redhathttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
- secalert@redhathttps://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
- secalert@redhathttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- secalert@redhathttps://marc.info/?l=linux-netdev&m=152023808817590&w=2
- secalert@redhathttps://marc.info/?l=linux-netdev&m=152025888924151&w=2
- secalert@redhathttps://usn.ubuntu.com/3654-1/
- secalert@redhathttps://usn.ubuntu.com/3654-2/
Vendor Advisories for CVE-2018-1068(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2019:1190Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2019:1170Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2018:2948Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update
Patch Availability(13)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-4.4.0-1093-snapdragon (4.4.0-1093.98) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-generic-lts-trusty (3.13.0.151.142) @ precise | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-3.13.0-151-generic (3.13.0-151.201) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | linux-image-raspi2 (4.13.0.1022.20) @ artful | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.13.0-45-generic (4.13.0-45.50~16.04.1) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-127-generic (4.4.0-127.153~14.04.1) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-127-generic (4.4.0-127.153) @ xenial | 2026-05-28 | ubuntu |
| redhat | kernel-0:3.10.0-514.71.1.el7 | 2019-12-10 | redhat |
| redhat | kernel-rt-1:3.10.0-693.47.2.rt56.641.el6rt | 2019-05-14 | redhat |
| redhat | kernel-0:3.10.0-693.47.2.el7 | 2019-05-14 | redhat |
| redhat | kernel-alt-0:4.14.0-115.el7a | 2018-10-30 | redhat |
| redhat | kernel-0:3.10.0-862.2.3.el7 | 2018-05-08 | redhat |
| redhat | kernel-rt-0:3.10.0-862.2.3.rt56.806.el7 | 2018-05-08 | 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.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(10)
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.
- Red HatRHSA-2018:1318IMPORTANT2018-03-05
RHSA-2018:1318 — Important
- Red HatRHSA-2018:1355IMPORTANT2018-03-05
RHSA-2018:1355 — Important
- Red HatRHSA-2019:4159IMPORTANT2018-03-05
RHSA-2019:4159 — Important
- UbuntuUSN-3654-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3654-2MEDIUM
Linux kernel (Xenial HWE) vulnerabilities
- UbuntuUSN-3656-1MEDIUM
Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
- UbuntuUSN-3674-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3674-2MEDIUM
Linux kernel (Trusty HWE) vulnerabilities
- UbuntuUSN-3677-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3677-2MEDIUM
Linux kernel (HWE) vulnerabilities
Data Freshness Timeline
(refreshed 11× in last 7d / 50× 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.
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 06:10 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 15:11 UTCEPSS rescore
- 2026-07-07 13:42 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
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 11:56 UTCOSV refresh
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
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- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 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
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 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
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 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 23:39 UTCOSV refresh
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:16 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 22:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 10:25 UTCEG score recompute
- 2026-05-28 10:25 UTCVendor advisory
- 2026-05-28 10:24 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:41 UTCOSV refresh
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
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Frequently asked(5)
What is CVE-2018-1068?
When was CVE-2018-1068 disclosed?
Is CVE-2018-1068 actively exploited?
What is the CVSS score of CVE-2018-1068?
How do I remediate CVE-2018-1068?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-1068
Is Your Infrastructure Affected by CVE-2018-1068?
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