Description
In the Linux kernel through 4.14.13, the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied, leading to an rds_atomic_free_op NULL pointer dereference.
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
- https://www.debian.org/security/2018/dsa-4187 ↗
- https://usn.ubuntu.com/3617-1/ ↗
- https://usn.ubuntu.com/3619-2/ ↗
- https://usn.ubuntu.com/3617-3/ ↗
- https://usn.ubuntu.com/3583-2/ ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee332f4e469503084737 ↗
- https://usn.ubuntu.com/3632-1/ ↗
- https://usn.ubuntu.com/3583-1/ ↗
- http://www.securityfocus.com/bid/102510 ↗
- https://access.redhat.com/errata/RHSA-2018:0470 ↗
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html ↗
- https://usn.ubuntu.com/3617-2/ ↗
- https://github.com/torvalds/linux/commit/7d11f77f84b27cef452cee332f4e469503084737 ↗
- https://usn.ubuntu.com/3619-1/ ↗
- http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html ↗