CVE-2026-63973 net: mana: Add NULL guards in teardown path to prevent panic on attach failure

🗓️ 19 Jul 2026 14:55:59Reported by GoogleType

osv

osv🔗 osv.dev👁 3 Views

Kernel patch adds NULL guards in mana teardown to prevent panics on attach failure.

Reporter	Title	Published	Views	Family All 8
CVE	CVE-2026-63973	19 Jul 202614:55	–	cve
Cvelist	CVE-2026-63973 net: mana: Add NULL guards in teardown path to prevent panic on attach failure	19 Jul 202614:55	–	cvelist
EUVD	EUVD-2026-45746	19 Jul 202614:55	–	euvd
NVD	CVE-2026-63973	19 Jul 202616:17	–	nvd
OSV	DEBIAN-CVE-2026-63973	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-63973	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61290	19 Jul 202600:00	–	ptsecurity
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-63973	20 Jul 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
git	www.git.kernel.org/stable/c/0a9c520fdcb1cb2e79c163c12d359b5e1ee40007
git	www.git.kernel.org/stable/c/17bfe0a8c014ee1d542ad352cd6a0a505361664a
git	www.git.kernel.org/stable/c/26a96fa81496afe7d162d172ccdc8cb9dbc685d2
git	www.git.kernel.org/stable/c/95e414f8324385771bdfd6d497a01d5593813ccb
git	www.git.kernel.org/stable/c/da7e4a1aaf397af6a094f640c92d6bc7564c10db
git	www.git.kernel.org/stable/c/da87896f34e0a51489811d1a684e2953099ca98f
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63973.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-63973

20 Jul 2026 03:47Current

5.4Medium risk

Vulners AI Score5.4

EPSS0.00205

linux kernel mana teardown null guards receive queues guard transmit queue guard attach failure