Vulnerability Details : CVE-2018-5332
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).
Vulnerability category: Memory Corruption
Products affected by CVE-2018-5332
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-5332
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-5332
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-5332
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-5332
-
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60daca9efbb3e4109ebc1f7069543e5573fc124e
kernel/git/tip/tip.git - Unnamed repository; edit this file 'description' to name the repository.Mailing List;Patch;Vendor Advisory
-
https://usn.ubuntu.com/3617-2/
USN-3617-2: Linux (HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/102507
Linux Kernel 'net/rds/rdma.c' Local Denial of Service VulnerabilityBroken Link;Third Party Advisory;VDB Entry
-
https://usn.ubuntu.com/3632-1/
USN-3632-1: Linux kernel (Azure) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3617-1/
USN-3617-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e77026e48345d719b17c
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2018:0470
RHSA-2018:0470 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://usn.ubuntu.com/3620-2/
USN-3620-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3620-1/
USN-3620-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3619-1/
USN-3619-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3619-2/
USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3617-3/
USN-3617-3: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/torvalds/linux/commit/c095508770aebf1b9218e77026e48345d719b17c
RDS: Heap OOB write in rds_message_alloc_sgs() · torvalds/linux@c095508 · GitHubPatch;Vendor Advisory
-
https://www.debian.org/security/2018/dsa-4187
Debian -- Security Information -- DSA-4187-1 linuxThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
[SECURITY] [DLA 1369-1] linux security updateMailing List;Third Party Advisory
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