Vulnerability Description
In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.15 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=853bc2PatchVendor Advisory
- http://www.securityfocus.com/bid/103278Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/853bc26a7ea39e354b9f8889ae7ad1492ffa28dPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://usn.ubuntu.com/3776-1/
- https://usn.ubuntu.com/3776-2/
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.debian.org/security/2018/dsa-4187
- https://www.debian.org/security/2018/dsa-4188
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=853bc2PatchVendor Advisory
- http://www.securityfocus.com/bid/103278Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/853bc26a7ea39e354b9f8889ae7ad1492ffa28dPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://usn.ubuntu.com/3776-1/
FAQ
What is CVE-2017-18216?
CVE-2017-18216 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.
How severe is CVE-2017-18216?
CVE-2017-18216 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-2017-18216?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.