Integer overflow in Linux Kernel
CVE-2016-9754
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.
Vulnerability class: Integer Overflow
EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel — versions 4.6
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (x_refsource_CONFIRM, Third Party Advisory)
- security@android.com (x_refsource_CONFIRM, Release Notes)
- security@android.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security@android.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9754?
- CVE-2016-9754 is a high-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2017-01-05.
- How severe is CVE-2016-9754?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-9754 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.