Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.13.6 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2Issue TrackingPatchThird Party Advisory
- https://marc.info/?t=150783958600011&r=1&w=2Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2Issue TrackingPatchThird Party Advisory
- https://marc.info/?t=150783958600011&r=1&w=2Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
FAQ
What is CVE-2017-15299?
CVE-2017-15299 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2017-15299?
CVE-2017-15299 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15299?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.