CVE-2018-14734
High
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).
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 29, 2018
First seenJul 29, 2018
How to fix
Vendor advisories
- usn.ubuntu.com/3797-2/
- usn.ubuntu.com/3847-1/
- usn.ubuntu.com/3797-1/
- usn.ubuntu.com/3847-2/
- usn.ubuntu.com/3849-1/
- usn.ubuntu.com/3849-2/
- debian.org/security/2018/dsa-4308
- usn.ubuntu.com/3847-3/
- access.redhat.com/errata/RHSA-2019:0831
- access.redhat.com/errata/RHSA-2019:2043
- access.redhat.com/errata/RHSA-2019:2029
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 4.17.11 | — |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 18.04 | — |
| debian debian_linux | 8.0, 9.0 | — |
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