CVE-2022-50073
Multiple vulnerabilities have been discovered in Ubuntu Linux kernel. Some of them allow an attacker to cause privilege escalation, data confidentiality breach and data integrity breach.
CSIRTS triage
- What
- Multiple kernel vulnerabilities allowing privilege escalation, data confidentiality breaches, and data integrity breaches.
- Who is affected
- Ubuntu Linux systems running vulnerable kernel versions.
- Urgency
- High; privilege escalation and information disclosure in kernel-level code require urgent patching.
- Action
- Apply Ubuntu kernel security updates via apt upgrade to remediate identified CVEs.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (16)
- unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu · 2026-08-21
- mediumCVE-2022-50073: net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is nullmsrc · 2026-08-06
- unknownUbuntu Linux Kernel Multiple Vulnerabilitieshkcert · 2026-08-03
- unknownUSN-8620-4: Linux kernel (Intel IoTG) vulnerabilitiesubuntu · 2026-07-31
- unknownUSN-8620-3: Linux kernel (Intel IoTG) vulnerabilitiesubuntu · 2026-07-31
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (July 31, 2026)cert-fr-avis · 2026-07-31
- unknownUSN-8620-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu · 2026-07-29
- highUSN-8620-1: Linux kernel vulnerabilitiesubuntu · 2026-07-28
- highUSN-8610-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8575-3: Linux kernel vulnerabilitiesubuntu · 2026-07-24
- highUSN-8597-1: Linux kernel (IBM) vulnerabilitiesubuntu · 2026-07-23
- highUSN-8576-2: Linux kernel (NVIDIA Tegra) vulnerabilitiesubuntu · 2026-07-23
- highUSN-8575-2: Linux kernel vulnerabilitiesubuntu · 2026-07-23
- highUSN-8576-1: Linux kernel (NVIDIA Tegra) vulnerabilitiesubuntu · 2026-07-21
- highUSN-8575-1: Linux kernel vulnerabilitiesubuntu · 2026-07-21
- unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert · 2026-07-06
External references
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