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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8 ↗
- https://usn.ubuntu.com/3797-2/ ↗
- https://usn.ubuntu.com/3847-1/ ↗
- https://usn.ubuntu.com/3797-1/ ↗
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html ↗
- https://usn.ubuntu.com/3847-2/ ↗
- https://usn.ubuntu.com/3849-1/ ↗
- https://usn.ubuntu.com/3849-2/ ↗
- https://www.debian.org/security/2018/dsa-4308 ↗
- https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8 ↗
- https://usn.ubuntu.com/3847-3/ ↗
- https://access.redhat.com/errata/RHSA-2019:0831 ↗
- https://access.redhat.com/errata/RHSA-2019:2043 ↗
- https://access.redhat.com/errata/RHSA-2019:2029 ↗