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CVE-2013-6282: Linux Kernel Improper Input Validation Vulnerability

criticalknown exploitedpublic exploitCVE-2013-6282
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.
The get_user and put_user API functions of the Linux kernel fail to validate the target address when being used on ARM v6k/v7 platforms. This allows an application to read and write kernel memory which could lead to privilege escalation.

CSIRTS triage

vendor: Linuxproduct: KernelPrivilege escalation
What
The get_user and put_user API functions of the Linux kernel fail to validate the target address, allowing applications to read and write kernel memory.
Who is affected
Deployments of the affected Linux kernel versions are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of the Linux kernel.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-09-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2013-6282

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-2013-6282coverage & exploitation statusNVD · CVE.org

Recent advisories for Linux Kernel Improper

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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