A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-03-19. NVD baseline CVSS 7.8; sources differ by 0.0.
A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.
March 18, 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 |
| ubuntu | linux-headers-azure-fde (5.4.0.1083.87+cvm1.24) @ focal | 2026-05-26 | ubuntu |
| ubuntu | linux-image-4.15.0-1146-azure (4.15.0-1146.161) @ bionic | 2026-05-26 | ubuntu |
| ubuntu | linux-image-4.15.0-1146-azure (4.15.0-1146.161~16.04.1) @ xenial | 2026-05-26 | ubuntu |
| redhat | kernel-0:3.10.0-1160.123.1.el7 | 2024-08-13 | redhat |
| redhat | kernel-rt-0:4.18.0-372.9.1.rt7.166.el8 | 2022-05-10 | redhat |
| redhat | kernel-0:4.18.0-372.9.1.el8 | 2022-05-10 | 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.
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 use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem resulting in privilege escalation.
RHSA-2022:1975 — Moderate
RHSA-2022:1988 — Moderate
RHSA-2024:5259 — Moderate
Linux kernel (OEM) vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel (Azure) vulnerabilities
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.
Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
这个漏洞感觉只能信息泄露？
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msrc · redhat
CWE-416