CVE-2018-5953

Name: CVE-2018-5953
Creator: NVD / NIST
Published: 2018-08-07T18:29:00.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2018-5953 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The swiotlb_print_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" printk call.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

The swiotlb_print_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" printk call.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.40%

31.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.14.14
Debian	Debian Linux	8.0

References

http://www.securityfocus.com/bid/105045Third Party Advisory, VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79Patch, Vendor Advisory
https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.mdThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/105045Third Party Advisory, VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79Patch, Vendor Advisory
https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.mdThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory

Timeline

Published: Aug 7, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5953?

How severe is CVE-2018-5953?

CVE-2018-5953 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5953?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5953?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST