Vulnerability Description
drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.17.11 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595PatchVendor Advisory
- https://access.redhat.com/errata/RHSA-2019:0831
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/errata/RHSA-2019:2043
- https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21adPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3797-1/Third Party Advisory
- https://usn.ubuntu.com/3797-2/Third Party Advisory
- https://usn.ubuntu.com/3847-1/Third Party Advisory
- https://usn.ubuntu.com/3847-2/Third Party Advisory
- https://usn.ubuntu.com/3847-3/Third Party Advisory
- https://usn.ubuntu.com/3849-1/Third Party Advisory
- https://usn.ubuntu.com/3849-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4308Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595PatchVendor Advisory
FAQ
What is CVE-2018-14734?
CVE-2018-14734 is a vulnerability with a CVSS score of 7.8 (HIGH). drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to c...
How severe is CVE-2018-14734?
CVE-2018-14734 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-14734?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.