Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-18. NVD baseline CVSS 7.8; sources differ by 0.0.
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
May 17, 2022
November 21, 2024
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-unsigned-4.15.0-1124-gcp (4.15.0-1124.138~16.04.1) @ xenial | 2026-05-25 | ubuntu |
| ubuntu | linux-headers-oem-22.04 (5.17.0.1006.6) @ jammy | 2026-05-25 | ubuntu |
| ubuntu | ibm (5.4.0-1009) @ focal | 2026-05-25 | ubuntu |
| ubuntu | linux-modules-5.4.0-113-generic-lpae (5.4.0-113.127~18.04.1) @ bionic | 2026-05-25 | ubuntu |
| ubuntu | lowlatency-4.4 (4.4.0-168) @ trusty | 2026-05-25 | ubuntu |
| ubuntu | linux-image-ibm-edge (5.4.0.1023.39) @ bionic | 2026-05-25 | ubuntu |
| ubuntu | linux-oracle (5.13.0.1030.30) @ impish | 2026-05-25 | ubuntu |
| redhat | kernel-0:4.18.0-372.93.1.el8_6 | 2024-02-21 | 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-0:4.18.0-425.3.1.el8 | 2022-11-08 | redhat |
| redhat | kernel-rt-0:4.18.0-425.3.1.rt7.213.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.
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.
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
RHSA-2022:7444 — Moderate
RHSA-2022:7683 — Moderate
RHSA-2022:7933 — Moderate
RHSA-2022:8267 — Moderate
RHSA-2024:0930 — Moderate
Kernel Live Patch Security Notice
Kernel Live Patch Security Notice
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerability
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.
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msrc · redhat
CWE-416