CVE-2016-9754 in Kernel

Summary

The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.

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• Reservation: 12/01/2016
• Disclosure: 01/05/2017
• Moderation: VulDB entry created
• Entries: VDB-95044 (2)
• CPE: ready
• CWE: CWE-190 (Confirmed)
• CVSS: 7.8
• EPSS: 0.00042
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2016-9754
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-9754
• CVE Details: https://www.cvedetails.com/cve/CVE-2016-9754/