Vulnerability in Linux Kernel
CVE-2016-7916
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
Vulnerability class: Race Condition
EPSS: 0.004 (31.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Linux Linux_kernel
- 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, Issue Tracking)
- security@android.com (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- security@android.com (x_refsource_UBUNTU, vendor-advisory)
- security@android.com (x_refsource_CONFIRM, Issue Tracking)
- security@android.com (x_refsource_UBUNTU, vendor-advisory)
- security@android.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@android.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- security@android.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2016-7916?
- CVE-2016-7916 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.5/10. Published 2016-11-16.
- How severe is CVE-2016-7916?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-7916 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.