CVE-2026-63942 parport: Fix race between port and client registration

🗓️ 19 Jul 2026 14:55:37Reported by GoogleType

osv

osv🔗 osv.dev👁 3 Views

Fix race in parport: ports register before initialisation, delaying client attachment until announced.

Reporter	Title	Published	Views	Family All 8
CVE	CVE-2026-63942	19 Jul 202614:55	–	cve
Cvelist	CVE-2026-63942 parport: Fix race between port and client registration	19 Jul 202614:55	–	cvelist
EUVD	EUVD-2026-45715	19 Jul 202614:55	–	euvd
NVD	CVE-2026-63942	19 Jul 202616:17	–	nvd
OSV	DEBIAN-CVE-2026-63942	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-63942	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61259	19 Jul 202600:00	–	ptsecurity
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-63942	20 Jul 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/15b1723c1472e802f9f7e69ae4e64f7dbf588848
git	www.git.kernel.org/stable/c/290f515c5e3b3900bc2fe24f179999fd08d23bfa
git	www.git.kernel.org/stable/c/51026cff1f4f3b762a0b5a07c727bd59cef45320
git	www.git.kernel.org/stable/c/74d6aae1df45d3414178986be743f946988fddf6
git	www.git.kernel.org/stable/c/a1e81b58da0179531bedf0b9f2811f5f992d5c4b
git	www.git.kernel.org/stable/c/d16548be2ea5058227d79799e81dab61c9bca8ec
git	www.git.kernel.org/stable/c/ef15ccbb3e8640a723c42ad90eaf81d66ae02017
git	www.git.kernel.org/stable/c/f3378b0d7bd4605de89b083b2900788157a181cc
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63942.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-63942

21 Jul 2026 03:47Current

5.3Medium risk

Vulners AI Score5.3

CVSS 3.17.8

EPSS0.0021

parport port registration client attachment initialisation race condition