CVE-2021-47202
A local attacker can exploit multiple vulnerabilities in Linux Kernel to conduct a Denial of Service attack or cause unknown impacts.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to conduct a Denial of Service attack or cause unknown impacts.
- Who is affected
- Local attackers exploiting vulnerabilities in the Linux Kernel.
- Urgency
- Remediation is important due to the potential for Denial of Service attacks.
- Action
- Apply available patches for the affected versions.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Advisory coverage (11)
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (August 14, 2026)cert-fr-avis · 2026-08-14
- unknownUSN-8529-2: Linux kernel vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8548-2: Linux kernel vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8530-2: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-08-13
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-08-13
- unknownUSN-8635-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-08-12
- unknownMultiple vulnerabilities in the Ubuntu Linux kernel (July 17, 2026)cert-fr-avis · 2026-07-17
- unknownUSN-8548-1: Linux kernel vulnerabilitiesubuntu · 2026-07-15
- unknownUSN-8530-1: Linux kernel (AWS) vulnerabilitiesubuntu · 2026-07-10
- unknownUSN-8529-1: Linux kernel vulnerabilitiesubuntu · 2026-07-10
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (July 10, 2026)cert-fr-avis · 2026-07-10
External references
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[](https://www.csirts.com/cve/CVE-2021-47202)