CVE-2018-5332

high

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).

References

https://www.debian.org/security/2018/dsa-4187

https://usn.ubuntu.com/3632-1/

https://usn.ubuntu.com/3620-2/

https://usn.ubuntu.com/3620-1/

https://usn.ubuntu.com/3619-2/

https://usn.ubuntu.com/3619-1/

https://usn.ubuntu.com/3617-3/

https://usn.ubuntu.com/3617-2/

https://usn.ubuntu.com/3617-1/

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17c

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124e

https://access.redhat.com/errata/RHSA-2018:0470

http://www.securityfocus.com/bid/102507

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17c

Details

Source: Mitre, NVD

Published: 2018-01-11

Updated: 2023-02-24

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H