A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.
CVE-2018-7492
Score 5.5 from GitHub Security Advisory published 2022-05-14. 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
- 30(Track)EG Risk 30/100SSVC: 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%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 50%
- KEV
- Not listed
Published
February 26, 2018
Last Modified
November 21, 2024
References (30)
- cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- cve@mitrehttp://www.securityfocus.com/bid/103185
- cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=1527393
- cve@mitrehttps://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- cve@mitrehttps://patchwork.kernel.org/patch/10096441/
- cve@mitrehttps://usn.ubuntu.com/3619-1/
- cve@mitrehttps://usn.ubuntu.com/3619-2/
- cve@mitrehttps://usn.ubuntu.com/3674-1/
- cve@mitrehttps://usn.ubuntu.com/3674-2/
- cve@mitrehttps://usn.ubuntu.com/3677-1/
- cve@mitrehttps://usn.ubuntu.com/3677-2/
- cve@mitrehttps://www.debian.org/security/2018/dsa-4187
- cve@mitrehttps://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7
- cve@mitrehttps://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-raspi2 (4.13.0.1022.20) @ artful | 2026-05-28 | ubuntu |
| ubuntu | linux-image-generic-lts-trusty (3.13.0.151.142) @ precise | 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-3.13.0-151-generic (3.13.0-151.201) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-119-generic (4.4.0-119.143) @ xenial | 2026-05-28 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-119-generic (4.4.0-119.143~14.04.1) @ trusty | 2026-05-28 | ubuntu |
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
(6 across 6 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.14.7-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.14.7-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.14.7-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 4.14.7-1 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 3.2.41-2 ... 3.2.96-3 (71 versions) | 3.2.101-1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 3.16.36-1 ... 3.16.7-ckt9-3~deb8u1~bpo70+1 (56 versions) | 3.16.56-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(6)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- UbuntuUSN-3619-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3619-2MEDIUM
Linux kernel (Xenial HWE) 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 4× in last 7d / 24× 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 140 total refreshes for this CVE.
- 2026-09-06 13:44 UTCEPSS rescore
- 2026-09-04 13:56 UTCEPSS rescore
- 2026-09-04 05:02 UTCEPSS rescore
- 2026-09-02 14:07 UTCEPSS rescore
- 2026-09-01 03:32 UTCEPSS rescore
- 2026-08-30 19:13 UTCEPSS rescore
- 2026-08-30 01:18 UTCEPSS rescore
- 2026-08-28 21:36 UTCEPSS rescore
- 2026-08-27 14:21 UTCEPSS rescore
- 2026-08-26 14:42 UTCEPSS rescore
- 2026-08-25 13:45 UTCEPSS rescore
- 2026-08-24 14:11 UTCEPSS rescore
- 2026-08-22 22:37 UTCOSV refresh
- 2026-08-21 23:45 UTCEPSS rescore
- 2026-08-20 22:51 UTCEPSS rescore
- 2026-08-19 17:00 UTCEPSS rescore
- 2026-08-18 13:44 UTCEPSS rescore
- 2026-08-17 13:43 UTCEPSS rescore
- 2026-08-16 14:52 UTCEPSS rescore
- 2026-08-16 02:10 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-13 21:56 UTCEPSS rescore
- 2026-08-12 13:47 UTCEPSS rescore
- 2026-08-09 13:43 UTCEPSS rescore
- 2026-08-08 16:32 UTCEPSS rescore
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- 2026-08-07 16:23 UTCEPSS rescore
- 2026-08-07 01:39 UTCOSV refresh
- 2026-08-06 13:42 UTCEPSS rescore
- 2026-08-04 15:05 UTCEPSS rescore
- 2026-08-04 10:33 UTCEPSS rescore
- 2026-08-03 10:31 UTCEPSS rescore
- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:27 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-27 14:05 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-25 14:14 UTCEPSS rescore
- 2026-07-25 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:37 UTCEG score recompute
- 2026-07-22 22:17 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 17:18 UTCOSV refresh
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 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
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 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 16:25 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 12:56 UTCOSV refresh
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 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
- 2026-06-22 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
- 2026-06-18 17:50 UTCEPSS rescore
Frequently asked(5)
What is CVE-2018-7492?
When was CVE-2018-7492 disclosed?
Is CVE-2018-7492 actively exploited?
What is the CVSS score of CVE-2018-7492?
How do I remediate CVE-2018-7492?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-7492
Is Your Infrastructure Affected by CVE-2018-7492?
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