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.
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Score 6.7 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 6.7; sources differ by 0.0.
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.
March 16, 2018
November 21, 2024
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: kernel-rt security and bug fix update
Red Hat Security Advisory: kernel security and bug fix update
Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update
| 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.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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.
RHSA-2018:1318 — Important
RHSA-2018:1355 — Important
RHSA-2019:4159 — Important
Linux kernel vulnerabilities
Linux kernel (Xenial HWE) vulnerabilities
Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Linux kernel vulnerabilities
Linux kernel (Trusty HWE) vulnerabilities
Linux kernel vulnerabilities
Linux kernel (HWE) vulnerabilities
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redhat
CWE-119 · CWE-787