A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
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Score 5.5 from GitHub Security Advisory published 2022-03-24. NVD baseline CVSS 5.5; sources differ by 0.0.
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
March 23, 2022
November 21, 2024
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-oem-5.14-tools-5.14.0-1033 (5.14.0-1033.36) @ focal | 2026-05-26 | ubuntu |
| redhat | kernel-0:4.18.0-372.87.1.el8_6 | 2024-01-25 | redhat |
| redhat | kernel-0:5.14.0-162.6.1.el9_1 | 2022-11-15 | redhat |
| redhat | kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1 | 2022-11-15 | redhat |
| redhat | kernel-rt-0:4.18.0-425.3.1.rt7.213.el8 | 2022-11-08 | redhat |
| redhat | kernel-0:4.18.0-425.3.1.el8 | 2022-11-08 | 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.
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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.
A memory leak flaw was found in the Linux kernel’s DMA subsystem in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
RHSA-2022:7444 — Moderate
RHSA-2022:7683 — Moderate
RHSA-2022:7933 — Moderate
RHSA-2022:8267 — Moderate
RHSA-2024:0412 — Moderate
Linux kernel (OEM) vulnerabilities
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msrc · redhat
CWE-200