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CVE-2016-5195: Linux Kernel Race Condition Vulnerability

criticalknown exploitedpublic exploitCVE-2016-5195
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Race condition in mm/gup.c in the Linux kernel allows local users to escalate privileges.

CSIRTS triage

vendor: Linuxproduct: KernelPrivilege escalation
What
A race condition in the Linux kernel allows local users to escalate privileges.
Who is affected
Local users on the Linux Kernel are affected.
Urgency
Remediation is critical due to the high severity and active exploitation.
Action
Update the Linux Kernel to the latest version.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-5195

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2016-5195coverage & exploitation statusNVD · CVE.org

Recent advisories for Linux Kernel Race

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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