CVE-2026-43141 ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut

🗓️ 06 May 2026 11:27:26Reported by GoogleType

osv🔗 osv.dev👁 2 Views

Linux kernel fix for ntb switchtec to avoid shift-out-of-bounds when MW LUTs are zero by guarding the round down power of two operation.

Reporter	Title	Published	Views	Family All 65
ATTACKERKB	CVE-2026-43141	6 May 202611:27	–	attackerkb
AstraLinux	Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12	24 Jun 202615:11	–	astralinux
Circl	CVE-2026-43141	2 Jul 202606:15	–	circl
CNNVD	Linux kernel 安全漏洞	6 May 202600:00	–	cnnvd
CVE	CVE-2026-43141	6 May 202611:27	–	cve
Cvelist	CVE-2026-43141 ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut	6 May 202611:27	–	cvelist
Debian	[SECURITY] [DLA 4606-1] linux security update	29 May 202616:36	–	debian
Debian CVE	CVE-2026-43141	6 May 202611:27	–	debiancve
Tenable Nessus	Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update	3 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 4.0: Linux PHSA-2026-4.0-0977	11 Jun 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08
git	www.git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
git	www.git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082
git	www.git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389
git	www.git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec
git	www.git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
git	www.git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764
git	www.git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43141.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-43141

22 Jul 2026 18:14Current

6.5Medium risk

Vulners AI Score6.5

CVSS 3.17.1

EPSS0.00131