CVE-2026-63968 ipv6: fix possible infinite loop in fib6_select_path()

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

osv

osv🔗 osv.dev👁 3 Views

CVE-2026-63968: Fix infinite loop in IPv6 fib6_select_path with safe unlinking before list_del_rcu

Reporter	Title	Published	Views	Family All 8
CVE	CVE-2026-63968	19 Jul 202614:55	–	cve
Cvelist	CVE-2026-63968 ipv6: fix possible infinite loop in fib6_select_path()	19 Jul 202614:55	–	cvelist
EUVD	EUVD-2026-45741	19 Jul 202614:55	–	euvd
NVD	CVE-2026-63968	19 Jul 202616:17	–	nvd
OSV	DEBIAN-CVE-2026-63968	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-63968	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61285	19 Jul 202600:00	–	ptsecurity
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-63968	20 Jul 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/0f7b73c3452635de83b8711b31abdda8e49aad7b
git	www.git.kernel.org/stable/c/3948a7d92f7678e89e1776bb2d169afcad63b1ae
git	www.git.kernel.org/stable/c/9b9d5bd6e3d4c9cecab5407604b690684b2532d2
git	www.git.kernel.org/stable/c/9c7da87c2dc860bb17ca1ece942495d28b1ce3b9
git	www.git.kernel.org/stable/c/ab9a10969a907b472a0196d999c08ff7144172e3
git	www.git.kernel.org/stable/c/c87cd3cb309634bc8f50a54e2079424f219ac21f
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63968.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-63968
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

21 Jul 2026 03:47Current

5.3Medium risk

Vulners AI Score5.3

CVSS 3.17.5

EPSS0.00205

infinite loop fib6_select_path read copy update list_del_rcu