CVE-2018-5953

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-07 · updated 2026-06-17
Weakness: CWE-200

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.

Affected products

Debian Linux: 8.0
Linux kernel: through 4.14.14

References

http://www.securityfocus.com/bid/105045
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79
https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.md
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
http://www.securityfocus.com/bid/105045
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79
https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.md
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html

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