NULL pointer dereference in Linux Kernel
CVE-2017-15299
The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.mail-archive.com/linux-kernel@vger.kernel.org/msg1499828.html
- lists.debian.org/debian-lts-announce/2017/12/msg00004.html (mailing-list)
- access.redhat.com/errata/RHSA-2018:0654 (vendor-advisory)
- marc.info/ (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3798-1/ (vendor-advisory)
- usn.ubuntu.com/3798-2/ (vendor-advisory)
- marc.info/ (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-15299?
- CVE-2017-15299 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-14.
- How severe is CVE-2017-15299?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-15299 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.