Use After Free in Linux Kernel
CVE-2015-8963
Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Vendor Advisory)
- source.android.com/security/bulletin/2016-11-01.html (Third Party Advisory)
- www.securityfocus.com/bid/94207 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-8963?
- CVE-2015-8963 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2016-11-16.
- How severe is CVE-2015-8963?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2015-8963 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.