CVE-2018-5332

HIGH

Linux kernel <3.2 - Memory Corruption

Title source: llm

Description

In the Linux kernel through 3.2, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size function in net/rds/rdma.c).

Exploits (1)

github WORKING POC 3 stars

by TamiiLambrado · cpoc

https://github.com/TamiiLambrado/CVE-pocs/tree/master/CVE-2018-5332-rds-oobw.c

View Code ZIP pw:eip

References (15)

[Patch, Vendor Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17c

[Broken Link, Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/102507

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2018:0470

[Mailing List, Patch, Vendor Advisory] https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124e

[Patch, Vendor Advisory] https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17c

View Patch ZIP pw:eip

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

[Third Party Advisory] https://usn.ubuntu.com/3617-1/

[Third Party Advisory] https://usn.ubuntu.com/3617-2/

[Third Party Advisory] https://usn.ubuntu.com/3617-3/

[Third Party Advisory] https://usn.ubuntu.com/3619-1/

[Third Party Advisory] https://usn.ubuntu.com/3619-2/

[Third Party Advisory] https://usn.ubuntu.com/3620-1/

[Third Party Advisory] https://usn.ubuntu.com/3620-2/

[Third Party Advisory] https://usn.ubuntu.com/3632-1/

[Third Party Advisory] https://www.debian.org/security/2018/dsa-4187

Scores

CVSS v3 7.8

EPSS 0.0003

EPSS Percentile 7.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-787

Status published

Products (7)

canonical/ubuntu_linux 12.04

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 17.10

debian/debian_linux 7.0

debian/debian_linux 8.0

linux/linux_kernel < 3.2.99

Published Jan 11, 2018

Tracked Since Feb 18, 2026