CVE-2021-47067
A local attacker can exploit multiple vulnerabilities in Linux Kernel to cause a denial of service condition and perform an unspecified attack.
CSIRTS triage
- What
- Multiple kernel vulnerabilities enable local denial of service attacks and unspecified additional attacks.
- Who is affected
- Systems running Linux Kernel versions affected by CVE-2021-46959, CVE-2021-47016, CVE-2021-47020, CVE-2021-47054, CVE-2021-47055, CVE-2021-47056, CVE-2021-47057, and CVE-2021-47058.
- Urgency
- Medium priority; requires local attacker access but affects multiple kernel subsystems.
- Action
- Apply kernel security updates addressing the listed CVEs from your Linux distribution.
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 (1)
- medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund · 2026-08-05
External references
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