CVE-2018-5953 Information disclosure in n/a

What is CVE-2018-5953?

CVE-2018-5953 is a medium-severity vulnerability in Debian Debian Linux, published on 7 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2018-5953?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2018-5953?

Apply the vendor's patch.

Is CVE-2018-5953 being exploited?

There is no known exploitation of CVE-2018-5953 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-5953, GHSA-fcj2-wp76-hhxr, UBUNTU-CVE-2018-5953.