Buffer overflow in Linux Kernel
CVE-2016-6187
The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096ca (Patch, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5 (Release Notes)
- www.openwall.com/lists/oss-security/2016/07/09/2 (mailing-list, Mailing List, Third Party Advisory)
- marc.info/ (mailing-list, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.securityfocus.com/bid/91696 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-6187?
- CVE-2016-6187 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-08-06.
- How severe is CVE-2016-6187?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-6187 known to be exploited?
- 28 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.